{"items":[{"id":"NVI-00011906","kind":"vulnerability","title":"msgpack5: Decoding negative int64 values mutates the input buffer","revision":4,"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-qw35-55vc-rhgj","CVE-2026-107296"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-21487052cd495ecec69061ece3d9a3af"],"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":"2026-10-08T17:39:31.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-59d1a49d77cbcf6fbcd087d810432429"},{"kind":"CVSS","as_of":"2026-10-14T01:17:05.483Z","value":"3.7 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-09c1309d2ee77fdb514113be725fdc63"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.276%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20049. Missing scores are unknown.","source_id":"sr-21487052cd495ecec69061ece3d9a3af"}],"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-59d1a49d77cbcf6fbcd087d810432429","url":"https://github.com/advisories/GHSA-qw35-55vc-rhgj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qw35-55vc-rhgj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-09c1309d2ee77fdb514113be725fdc63","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107296","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107296","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"},{"id":"sr-21487052cd495ecec69061ece3d9a3af","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-2026-107296","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.774Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-59d1a49d77cbcf6fbcd087d810432429"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nDecoding a negative signed 64-bit integer modifies the corresponding bytes in the caller-provided input buffer. Applications that retain or reuse encoded input for integrity checks, logging, or subsequent processing may observe silently corrupted data.\n\nPositive integers and other MessagePack value types are not affected.\n\n### Patches\n\nThe decoder now computes signed 64-bit values without writing to the input buffer.\n\n### Workarounds\n\nCopy untrusted MessagePack input before decoding it, or do not retain or reuse input buffers after decoding.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-07T14:01:55.428Z","source_updated_at":"2026-10-08T17:39:31.000Z","source_disclosed_at":"2026-10-08T17:39:30.000Z","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":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00011906","kind":"vulnerability","title":"msgpack5: Decoding negative int64 values mutates the input buffer","revision":3,"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-qw35-55vc-rhgj","CVE-2026-107296"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-3b84abae38f3938af42e35d97f37aae3"],"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":"2026-10-08T17:39:31.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-59d1a49d77cbcf6fbcd087d810432429"},{"kind":"CVSS","as_of":"2026-10-14T01:17:05.483Z","value":"3.7 LOW (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-09c1309d2ee77fdb514113be725fdc63"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.276%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20014. Missing scores are unknown.","source_id":"sr-3b84abae38f3938af42e35d97f37aae3"}],"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-59d1a49d77cbcf6fbcd087d810432429","url":"https://github.com/advisories/GHSA-qw35-55vc-rhgj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qw35-55vc-rhgj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-09c1309d2ee77fdb514113be725fdc63","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107296","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107296","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"},{"id":"sr-3b84abae38f3938af42e35d97f37aae3","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-2026-107296","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-59d1a49d77cbcf6fbcd087d810432429"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nDecoding a negative signed 64-bit integer modifies the corresponding bytes in the caller-provided input buffer. Applications that retain or reuse encoded input for integrity checks, logging, or subsequent processing may observe silently corrupted data.\n\nPositive integers and other MessagePack value types are not affected.\n\n### Patches\n\nThe decoder now computes signed 64-bit values without writing to the input buffer.\n\n### Workarounds\n\nCopy untrusted MessagePack input before decoding it, or do not retain or reuse input buffers after decoding.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-03T10:03:31.368Z","source_updated_at":"2026-10-08T17:39:31.000Z","source_disclosed_at":"2026-10-08T17:39:30.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00011906","kind":"vulnerability","title":"msgpack5: Decoding negative int64 values mutates the input buffer","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qw35-55vc-rhgj","CVE-2026-107296"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-3b84abae38f3938af42e35d97f37aae3"],"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":"2026-10-08T17:39:31.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-59d1a49d77cbcf6fbcd087d810432429"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.276%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20014. Missing scores are unknown.","source_id":"sr-3b84abae38f3938af42e35d97f37aae3"}],"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-59d1a49d77cbcf6fbcd087d810432429","url":"https://github.com/advisories/GHSA-qw35-55vc-rhgj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qw35-55vc-rhgj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-3b84abae38f3938af42e35d97f37aae3","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-2026-107296","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-59d1a49d77cbcf6fbcd087d810432429"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nDecoding a negative signed 64-bit integer modifies the corresponding bytes in the caller-provided input buffer. Applications that retain or reuse encoded input for integrity checks, logging, or subsequent processing may observe silently corrupted data.\n\nPositive integers and other MessagePack value types are not affected.\n\n### Patches\n\nThe decoder now computes signed 64-bit values without writing to the input buffer.\n\n### Workarounds\n\nCopy untrusted MessagePack input before decoding it, or do not retain or reuse input buffers after decoding.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-01T14:34:14.121Z","source_updated_at":"2026-10-08T17:39:31.000Z","source_disclosed_at":"2026-10-08T17:39:30.000Z","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":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00011906","kind":"vulnerability","title":"msgpack5: Decoding negative int64 values mutates the input buffer","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-qw35-55vc-rhgj","CVE-2026-107296"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-59d1a49d77cbcf6fbcd087d810432429"],"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":"2026-10-08T17:39:31.000Z","value":"3.7 low","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-59d1a49d77cbcf6fbcd087d810432429"}],"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-59d1a49d77cbcf6fbcd087d810432429","url":"https://github.com/advisories/GHSA-qw35-55vc-rhgj","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-qw35-55vc-rhgj","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-59d1a49d77cbcf6fbcd087d810432429"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nDecoding a negative signed 64-bit integer modifies the corresponding bytes in the caller-provided input buffer. Applications that retain or reuse encoded input for integrity checks, logging, or subsequent processing may observe silently corrupted data.\n\nPositive integers and other MessagePack value types are not affected.\n\n### Patches\n\nThe decoder now computes signed 64-bit values without writing to the input buffer.\n\n### Workarounds\n\nCopy untrusted MessagePack input before decoding it, or do not retain or reuse input buffers after decoding.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-01T01:03:56.614Z","source_updated_at":"2026-10-08T17:39:31.000Z","source_disclosed_at":"2026-10-08T17:39:30.000Z","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":"2026-11-01T00:58:38.867Z"}],"next_cursor":null,"snapshot_revision":"42594"}