{"id":"GO-2026-4513","revision":"69248fba6e734a1e9bd5de29d710d5f9","records":[{"revision":"69248fba6e734a1e9bd5de29d710d5f9","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GO-2026-4513","aliases":["CVE-2026-32284","GHSA-h9q6-hc68-35rp"],"title":"Denial of service in github.com/shamaton/msgpack","description":"The msgpack decoder fails to properly validate the input buffer length when processing truncated fixext data (format codes 0xd4-0xd8). This can lead to an out-of-bounds read and a runtime panic, allowing a denial of service attack.","state":0,"publishedAt":"2026-03-16T20:27:23+00:00","modifiedAt":"2026-10-07T17:56:03.3236694+00:00","affected":[{"ecosystem":"Go","name":"github.com/shamaton/msgpack","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/shamaton/msgpack/v2","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.4.1"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"Go","name":"github.com/shamaton/msgpack/v3","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"3.1.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[],"references":["https://github.com/shamaton/msgpack/issues/59","https://github.com/golang/vulndb/issues/4513"],"sourceUrl":"https://osv.dev/vulnerability/GO-2026-4513","license":"OSV · upstream source license applies","key":"osv:GO-2026-4513","identifiers":["GO-2026-4513","CVE-2026-32284","GHSA-h9q6-hc68-35rp"]},"retained":false,"historicalAffected":[]}],"coverage":[]}