{"items":[{"id":"NVI-00004746","kind":"vulnerability","title":"PHP Standard Library: HTTP/2 server-side missing content-length validation enables request smuggling","revision":2,"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-pw9p-jvrm-f7rm","CVE-2026-48979"],"plain_summary":"OSV carries this publisher advisory for php-standard-library/h2, php-standard-library/h2, php-standard-library/php-standard-library, php-standard-library/php-standard-library. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 6.1.2 for php-standard-library/h2. Confirm the publisher’s latest guidance.","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"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},{"summary":"The original advisory lists fixed boundaries 6.2.1 for php-standard-library/h2. Confirm the publisher’s latest guidance.","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"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},{"summary":"The original advisory lists fixed boundaries 6.1.2 for php-standard-library/php-standard-library. Confirm the publisher’s latest guidance.","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"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},{"summary":"The original advisory lists fixed boundaries 6.2.1 for php-standard-library/php-standard-library. Confirm the publisher’s latest guidance.","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"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},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-a0bb621931df47eef0cff42b2866540f"],"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":"2026-06-23T16:04:55.583Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-a0bb621931df47eef0cff42b2866540f"}],"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-718d7762628139e2db3be1e02f9208be","url":"https://github.com/advisories/GHSA-pw9p-jvrm-f7rm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pw9p-jvrm-f7rm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.995Z"},{"id":"sr-a0bb621931df47eef0cff42b2866540f","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48979","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-48979","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:22.913Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"technology":"php-standard-library/h2","known_exclusions":[],"conditions_summary":"## Impact\n\n`Psl\\H2\\ServerConnection` does not validate that the total bytes received in DATA frames match the `content-length` header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1.\n\nA malicious client can:\n- Send more DATA bytes than declared, smuggling additional content past application-level size limits.\n- Send fewer DATA bytes than declared and close the stream early, causing applications that trust the declared length to behave incorrectly.\n\nThe vulnerability is only reachable for consumers using `Psl\\H2\\ServerConnection` directly to accept untrusted client traffic. The high-level `Psl\\HTTP\\Server` is in active development and was not yet released at the time of this advisory; consumers of documented high-level PSL APIs are not affected.\n\n## Patches\n\nFixed in 6.1.2 and 6.2.1.\n\n- Parses and validates the `content-length` header on incoming HEADERS (server-side only — clients do not enforce this per RFC 9110 §9.3.2).\n- Tracks cumulative DATA frame payload length per stream.\n- Throws `StreamException","public_affected_ranges":["ECOSYSTEM: introduced 6.1.0; fixed 6.1.2"]},{"certainty":"source_listed","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"technology":"php-standard-library/h2","known_exclusions":[],"conditions_summary":"## Impact\n\n`Psl\\H2\\ServerConnection` does not validate that the total bytes received in DATA frames match the `content-length` header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1.\n\nA malicious client can:\n- Send more DATA bytes than declared, smuggling additional content past application-level size limits.\n- Send fewer DATA bytes than declared and close the stream early, causing applications that trust the declared length to behave incorrectly.\n\nThe vulnerability is only reachable for consumers using `Psl\\H2\\ServerConnection` directly to accept untrusted client traffic. The high-level `Psl\\HTTP\\Server` is in active development and was not yet released at the time of this advisory; consumers of documented high-level PSL APIs are not affected.\n\n## Patches\n\nFixed in 6.1.2 and 6.2.1.\n\n- Parses and validates the `content-length` header on incoming HEADERS (server-side only — clients do not enforce this per RFC 9110 §9.3.2).\n- Tracks cumulative DATA frame payload length per stream.\n- Throws `StreamException","public_affected_ranges":["ECOSYSTEM: introduced 6.2.0; fixed 6.2.1"]},{"certainty":"source_listed","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"technology":"php-standard-library/php-standard-library","known_exclusions":[],"conditions_summary":"## Impact\n\n`Psl\\H2\\ServerConnection` does not validate that the total bytes received in DATA frames match the `content-length` header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1.\n\nA malicious client can:\n- Send more DATA bytes than declared, smuggling additional content past application-level size limits.\n- Send fewer DATA bytes than declared and close the stream early, causing applications that trust the declared length to behave incorrectly.\n\nThe vulnerability is only reachable for consumers using `Psl\\H2\\ServerConnection` directly to accept untrusted client traffic. The high-level `Psl\\HTTP\\Server` is in active development and was not yet released at the time of this advisory; consumers of documented high-level PSL APIs are not affected.\n\n## Patches\n\nFixed in 6.1.2 and 6.2.1.\n\n- Parses and validates the `content-length` header on incoming HEADERS (server-side only — clients do not enforce this per RFC 9110 §9.3.2).\n- Tracks cumulative DATA frame payload length per stream.\n- Throws `StreamException","public_affected_ranges":["ECOSYSTEM: introduced 6.1.0; fixed 6.1.2"]},{"certainty":"source_listed","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"technology":"php-standard-library/php-standard-library","known_exclusions":[],"conditions_summary":"## Impact\n\n`Psl\\H2\\ServerConnection` does not validate that the total bytes received in DATA frames match the `content-length` header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1.\n\nA malicious client can:\n- Send more DATA bytes than declared, smuggling additional content past application-level size limits.\n- Send fewer DATA bytes than declared and close the stream early, causing applications that trust the declared length to behave incorrectly.\n\nThe vulnerability is only reachable for consumers using `Psl\\H2\\ServerConnection` directly to accept untrusted client traffic. The high-level `Psl\\HTTP\\Server` is in active development and was not yet released at the time of this advisory; consumers of documented high-level PSL APIs are not affected.\n\n## Patches\n\nFixed in 6.1.2 and 6.2.1.\n\n- Parses and validates the `content-length` header on incoming HEADERS (server-side only — clients do not enforce this per RFC 9110 §9.3.2).\n- Tracks cumulative DATA frame payload length per stream.\n- Throws `StreamException","public_affected_ranges":["ECOSYSTEM: introduced 6.2.0; fixed 6.2.1"]}],"null_published_at":"2026-11-06T15:18:11.520Z","source_updated_at":"2026-09-10T03:50:50.162Z","source_disclosed_at":"2026-06-26T20:55:55.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:30.995Z"},{"id":"NVI-00004746","kind":"vulnerability","title":"PHP Standard Library: HTTP/2 server-side missing content-length validation enables request smuggling","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pw9p-jvrm-f7rm","CVE-2026-48979"],"plain_summary":"OSV carries this publisher advisory for php-standard-library/h2, php-standard-library/h2, php-standard-library/php-standard-library, php-standard-library/php-standard-library. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 6.1.2 for php-standard-library/h2. Confirm the publisher’s latest guidance.","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"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},{"summary":"The original advisory lists fixed boundaries 6.2.1 for php-standard-library/h2. Confirm the publisher’s latest guidance.","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"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},{"summary":"The original advisory lists fixed boundaries 6.1.2 for php-standard-library/php-standard-library. Confirm the publisher’s latest guidance.","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"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},{"summary":"The original advisory lists fixed boundaries 6.2.1 for php-standard-library/php-standard-library. Confirm the publisher’s latest guidance.","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"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":[],"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-718d7762628139e2db3be1e02f9208be","url":"https://github.com/advisories/GHSA-pw9p-jvrm-f7rm","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-pw9p-jvrm-f7rm","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:30.995Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"technology":"php-standard-library/h2","known_exclusions":[],"conditions_summary":"## Impact\n\n`Psl\\H2\\ServerConnection` does not validate that the total bytes received in DATA frames match the `content-length` header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1.\n\nA malicious client can:\n- Send more DATA bytes than declared, smuggling additional content past application-level size limits.\n- Send fewer DATA bytes than declared and close the stream early, causing applications that trust the declared length to behave incorrectly.\n\nThe vulnerability is only reachable for consumers using `Psl\\H2\\ServerConnection` directly to accept untrusted client traffic. The high-level `Psl\\HTTP\\Server` is in active development and was not yet released at the time of this advisory; consumers of documented high-level PSL APIs are not affected.\n\n## Patches\n\nFixed in 6.1.2 and 6.2.1.\n\n- Parses and validates the `content-length` header on incoming HEADERS (server-side only — clients do not enforce this per RFC 9110 §9.3.2).\n- Tracks cumulative DATA frame payload length per stream.\n- Throws `StreamException","public_affected_ranges":["ECOSYSTEM: introduced 6.1.0; fixed 6.1.2"]},{"certainty":"source_listed","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"technology":"php-standard-library/h2","known_exclusions":[],"conditions_summary":"## Impact\n\n`Psl\\H2\\ServerConnection` does not validate that the total bytes received in DATA frames match the `content-length` header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1.\n\nA malicious client can:\n- Send more DATA bytes than declared, smuggling additional content past application-level size limits.\n- Send fewer DATA bytes than declared and close the stream early, causing applications that trust the declared length to behave incorrectly.\n\nThe vulnerability is only reachable for consumers using `Psl\\H2\\ServerConnection` directly to accept untrusted client traffic. The high-level `Psl\\HTTP\\Server` is in active development and was not yet released at the time of this advisory; consumers of documented high-level PSL APIs are not affected.\n\n## Patches\n\nFixed in 6.1.2 and 6.2.1.\n\n- Parses and validates the `content-length` header on incoming HEADERS (server-side only — clients do not enforce this per RFC 9110 §9.3.2).\n- Tracks cumulative DATA frame payload length per stream.\n- Throws `StreamException","public_affected_ranges":["ECOSYSTEM: introduced 6.2.0; fixed 6.2.1"]},{"certainty":"source_listed","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"technology":"php-standard-library/php-standard-library","known_exclusions":[],"conditions_summary":"## Impact\n\n`Psl\\H2\\ServerConnection` does not validate that the total bytes received in DATA frames match the `content-length` header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1.\n\nA malicious client can:\n- Send more DATA bytes than declared, smuggling additional content past application-level size limits.\n- Send fewer DATA bytes than declared and close the stream early, causing applications that trust the declared length to behave incorrectly.\n\nThe vulnerability is only reachable for consumers using `Psl\\H2\\ServerConnection` directly to accept untrusted client traffic. The high-level `Psl\\HTTP\\Server` is in active development and was not yet released at the time of this advisory; consumers of documented high-level PSL APIs are not affected.\n\n## Patches\n\nFixed in 6.1.2 and 6.2.1.\n\n- Parses and validates the `content-length` header on incoming HEADERS (server-side only — clients do not enforce this per RFC 9110 §9.3.2).\n- Tracks cumulative DATA frame payload length per stream.\n- Throws `StreamException","public_affected_ranges":["ECOSYSTEM: introduced 6.1.0; fixed 6.1.2"]},{"certainty":"source_listed","source_ids":["sr-718d7762628139e2db3be1e02f9208be"],"technology":"php-standard-library/php-standard-library","known_exclusions":[],"conditions_summary":"## Impact\n\n`Psl\\H2\\ServerConnection` does not validate that the total bytes received in DATA frames match the `content-length` header declared in the HEADERS frame, in violation of RFC 9113 §8.1.1.\n\nA malicious client can:\n- Send more DATA bytes than declared, smuggling additional content past application-level size limits.\n- Send fewer DATA bytes than declared and close the stream early, causing applications that trust the declared length to behave incorrectly.\n\nThe vulnerability is only reachable for consumers using `Psl\\H2\\ServerConnection` directly to accept untrusted client traffic. The high-level `Psl\\HTTP\\Server` is in active development and was not yet released at the time of this advisory; consumers of documented high-level PSL APIs are not affected.\n\n## Patches\n\nFixed in 6.1.2 and 6.2.1.\n\n- Parses and validates the `content-length` header on incoming HEADERS (server-side only — clients do not enforce this per RFC 9110 §9.3.2).\n- Tracks cumulative DATA frame payload length per stream.\n- Throws `StreamException","public_affected_ranges":["ECOSYSTEM: introduced 6.2.0; fixed 6.2.1"]}],"null_published_at":"2026-10-31T22:12:57.141Z","source_updated_at":"2026-09-10T03:50:50.162Z","source_disclosed_at":"2026-06-26T20:55:55.000Z","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":"2026-10-31T21:42:30.995Z"}],"next_cursor":null,"snapshot_revision":"42594"}