{"id":"OSV-2021-37","aliases":[],"status":"published","title":"Heap-buffer-overflow in WelsDec::CopyRectBlock4Cols","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29431\n\n```\nCrash type: Heap-buffer-overflow READ 16\nCrash state:\nWelsDec::CopyRectBlock4Cols\nWelsDec::GetColocatedMb\nWelsDec::PredMvBDirectSpatial\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-01-10T00:00:03.839095Z","modified":"2022-04-13T03:04:37Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"openh264","ranges":[{"type":"GIT","events":[{"introduced":"f1bb6d3acb057785b4d89e8228e23cc4fc9caa12"},{"fixed":"b52786888ddce9d6bc06b7825ba9bffc65924e0c"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29431","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-37","title":"Heap-buffer-overflow in WelsDec::CopyRectBlock4Cols","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29431\n\n```\nCrash type: Heap-buffer-overflow READ 16\nCrash state:\nWelsDec::CopyRectBlock4Cols\nWelsDec::GetColocatedMb\nWelsDec::PredMvBDirectSpatial\n```\n","status":"published","published":"2021-01-10T00:00:03.839095Z","modified":"2022-04-13T03:04:37.652617Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}