{"items":[{"id":"NVI-00009046","kind":"vulnerability","title":"Forge: ASN.1 OID first arc truncation in asn1.oidToDer","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-4642-5mcj-2rqw","CVE-2026-118775"],"plain_summary":"GitHub lists this reviewed advisory for node-forge. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-167aa2d82df2a0ac3676e283e7595368"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.4.1 for node-forge. Confirm the publisher’s latest guidance.","source_ids":["sr-715a01a74edb8856f7faf0db8cd23ac6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-30T23:02:44.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8b7d3abb9e28f07320ebe8057b38e9df"},{"kind":"CVSS","as_of":"2026-11-04T14:12:40.780Z","value":"3.7 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-08d49376b3b34e33def4ed906535874a"},{"kind":"CVSS","as_of":"2026-11-04T14:12:40.780Z","value":"5.3 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-08d49376b3b34e33def4ed906535874a"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.313%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24311. Missing scores are unknown.","source_id":"sr-167aa2d82df2a0ac3676e283e7595368"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8b7d3abb9e28f07320ebe8057b38e9df","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"},{"id":"sr-715a01a74edb8856f7faf0db8cd23ac6","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T00:59:33.463Z"},{"id":"sr-08d49376b3b34e33def4ed906535874a","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118775","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-118775","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-07T07:00:25.983Z"},{"id":"sr-167aa2d82df2a0ac3676e283e7595368","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118775","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.778Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8b7d3abb9e28f07320ebe8057b38e9df"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["<= 1.4.0"]},{"certainty":"source_listed","source_ids":["sr-715a01a74edb8856f7faf0db8cd23ac6"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["SEMVER: introduced 0; fixed 1.4.1"]}],"null_published_at":"2026-11-07T18:43:12.061Z","source_updated_at":"2026-10-30T23:02:44.000Z","source_disclosed_at":"2026-10-30T23:02:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:55:49.621Z"},{"id":"NVI-00009046","kind":"vulnerability","title":"Forge: ASN.1 OID first arc truncation in asn1.oidToDer","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4642-5mcj-2rqw","CVE-2026-118775"],"plain_summary":"GitHub lists this reviewed advisory for node-forge. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-167aa2d82df2a0ac3676e283e7595368"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.4.1 for node-forge. Confirm the publisher’s latest guidance.","source_ids":["sr-715a01a74edb8856f7faf0db8cd23ac6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-30T23:02:44.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8b7d3abb9e28f07320ebe8057b38e9df"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.313%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24311. Missing scores are unknown.","source_id":"sr-167aa2d82df2a0ac3676e283e7595368"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8b7d3abb9e28f07320ebe8057b38e9df","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"},{"id":"sr-715a01a74edb8856f7faf0db8cd23ac6","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T00:59:33.463Z"},{"id":"sr-167aa2d82df2a0ac3676e283e7595368","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118775","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.778Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8b7d3abb9e28f07320ebe8057b38e9df"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["<= 1.4.0"]},{"certainty":"source_listed","source_ids":["sr-715a01a74edb8856f7faf0db8cd23ac6"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["SEMVER: introduced 0; fixed 1.4.1"]}],"null_published_at":"2026-11-06T00:29:57.324Z","source_updated_at":"2026-10-30T23:02:44.000Z","source_disclosed_at":"2026-10-30T23:02:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:55:49.621Z"},{"id":"NVI-00009046","kind":"vulnerability","title":"Forge: ASN.1 OID first arc truncation in asn1.oidToDer","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4642-5mcj-2rqw","CVE-2026-118775"],"plain_summary":"GitHub lists this reviewed advisory for node-forge. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-917b036ac9b69794e0007e2ed33e984f"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.4.1 for node-forge. Confirm the publisher’s latest guidance.","source_ids":["sr-715a01a74edb8856f7faf0db8cd23ac6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-30T23:02:44.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8b7d3abb9e28f07320ebe8057b38e9df"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.313%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.24276. Missing scores are unknown.","source_id":"sr-917b036ac9b69794e0007e2ed33e984f"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8b7d3abb9e28f07320ebe8057b38e9df","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"},{"id":"sr-715a01a74edb8856f7faf0db8cd23ac6","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T00:59:33.463Z"},{"id":"sr-917b036ac9b69794e0007e2ed33e984f","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-118775","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.375Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8b7d3abb9e28f07320ebe8057b38e9df"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["<= 1.4.0"]},{"certainty":"source_listed","source_ids":["sr-715a01a74edb8856f7faf0db8cd23ac6"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["SEMVER: introduced 0; fixed 1.4.1"]}],"null_published_at":"2026-11-03T02:33:09.151Z","source_updated_at":"2026-10-30T23:02:44.000Z","source_disclosed_at":"2026-10-30T23:02:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:55:49.621Z"},{"id":"NVI-00009046","kind":"vulnerability","title":"Forge: ASN.1 OID first arc truncation in asn1.oidToDer","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4642-5mcj-2rqw","CVE-2026-118775"],"plain_summary":"GitHub lists this reviewed advisory for node-forge. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-8b7d3abb9e28f07320ebe8057b38e9df"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.4.1 for node-forge. Confirm the publisher’s latest guidance.","source_ids":["sr-715a01a74edb8856f7faf0db8cd23ac6"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-30T23:02:44.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8b7d3abb9e28f07320ebe8057b38e9df"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8b7d3abb9e28f07320ebe8057b38e9df","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"},{"id":"sr-715a01a74edb8856f7faf0db8cd23ac6","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-01T00:59:33.463Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8b7d3abb9e28f07320ebe8057b38e9df"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["<= 1.4.0"]},{"certainty":"source_listed","source_ids":["sr-715a01a74edb8856f7faf0db8cd23ac6"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["SEMVER: introduced 0; fixed 1.4.1"]}],"null_published_at":"2026-11-01T01:03:56.578Z","source_updated_at":"2026-10-30T23:02:44.000Z","source_disclosed_at":"2026-10-30T23:02:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:55:49.621Z"},{"id":"NVI-00009046","kind":"vulnerability","title":"Forge: ASN.1 OID first arc truncation in asn1.oidToDer","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4642-5mcj-2rqw","CVE-2026-118775"],"plain_summary":"GitHub lists this reviewed advisory for node-forge. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-8b7d3abb9e28f07320ebe8057b38e9df"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-30T23:02:44.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8b7d3abb9e28f07320ebe8057b38e9df"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8b7d3abb9e28f07320ebe8057b38e9df","url":"https://github.com/advisories/GHSA-4642-5mcj-2rqw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4642-5mcj-2rqw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:55:49.621Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8b7d3abb9e28f07320ebe8057b38e9df"],"technology":"node-forge","known_exclusions":[],"conditions_summary":"### Summary\n\n`asn1.oidToDer()` did not range-check the first two arcs of an OID string, so an OID such as `0.42.840.113549.1.1.1` or `4294977127.18.840.113549.1.1.1` was encoded as the DER of a different OID (here rsaEncryption, `1.2.840.113549.1.1.1`). This is an incomplete fix of CVE-2025-66030. Fixed in node-forge 1.4.1.\n\n### Details\n\nX.690 section 8.19 encodes the first two arcs of an OID as one subidentifier, `40 * arc1 + arc2`, where the first arc is 0, 1 or 2 and the second arc is at most 39 when the first is 0 or 1. `asn1.oidToDer()` in `lib/asn1.js` computed that value with no range check and wrote it with `putByte()`, which keeps only the low 16 bits. Out-of-range first arcs therefore produced the encoding of a different OID: `0.42.840.113549.1.1.1` gives `40 * 0 + 42 = 42` and `4294977127.18.840.113549.1.1.1` wraps to 42, both the first byte of rsaEncryption. The fix for CVE-2025-66030 (GHSA-65ch-62r8-g69g, node-forge 1.3.2) added a 32-bit check for the later arcs only.\n\nA related encoding bug made valid OIDs with a first subidentifier above 127 (`2.48` and higher, e.g. `2.999`) encode and decode incorrectly, because the first subidentifier was always written and read as","public_affected_ranges":["<= 1.4.0"]}],"null_published_at":"2026-10-31T22:13:31.269Z","source_updated_at":"2026-10-30T23:02:44.000Z","source_disclosed_at":"2026-10-30T23:02:40.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:55:49.621Z"}],"next_cursor":null,"snapshot_revision":"42594"}