{"items":[{"id":"NVI-00003979","kind":"vulnerability","title":"amphp/http-client  Denial of Service via HTTP/2 CONTINUATION Frames","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-w8gf-g2vq-j2f4"],"plain_summary":"OSV carries this publisher advisory for amphp/http-client. 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 4.1.0-rc1 for amphp/http-client. Confirm the publisher’s latest guidance.","source_ids":["sr-529ebcca47890e1ba314c13a2f3ee0e5"],"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-529ebcca47890e1ba314c13a2f3ee0e5","url":"https://github.com/advisories/GHSA-w8gf-g2vq-j2f4","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-w8gf-g2vq-j2f4","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.385Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-529ebcca47890e1ba314c13a2f3ee0e5"],"technology":"amphp/http-client","known_exclusions":[],"conditions_summary":"Early versions of `amphp/http-client` with HTTP/2 support (v4.0.0-rc10 to 4.0.0) will collect HTTP/2 `CONTINUATION` frames in an unbounded buffer and will not check the header size limit until it has received the `END_HEADERS` flag, resulting in an OOM crash. Later versions of `amphp/http-client` (v4.1.0-rc1 and up) depend on `amphp/http` for HTTP/2 processing and will therefore need an updated version of `amphp/http`, see GHSA-qjfw-cvjf-f4fm.\n\n## Acknowledgements\n\nThank you to Bartek Nowotarski for reporting the vulnerability.","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0-rc10; fixed 4.1.0-rc1"]}],"null_published_at":"2026-10-31T22:12:52.608Z","source_updated_at":"2026-07-08T06:52:51.943Z","source_disclosed_at":"2024-04-03T18:49:42.000Z","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":"2026-10-31T21:42:41.385Z"}],"next_cursor":null,"snapshot_revision":"42594"}