{"id":"OSV-2020-2063","aliases":[],"status":"published","title":"Heap-buffer-overflow in WelsDec::WelsDecodeMbCavlcBSlice","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26296\n\n```\nCrash type: Heap-buffer-overflow WRITE 16\nCrash state:\nWelsDec::WelsDecodeMbCavlcBSlice\nWelsDec::WelsDecodeSlice\nWelsDec::DecodeCurrentAccessUnit\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-10-14T00:00:24.741197Z","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=26296","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2020-2063","title":"Heap-buffer-overflow in WelsDec::WelsDecodeMbCavlcBSlice","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26296\n\n```\nCrash type: Heap-buffer-overflow WRITE 16\nCrash state:\nWelsDec::WelsDecodeMbCavlcBSlice\nWelsDec::WelsDecodeSlice\nWelsDec::DecodeCurrentAccessUnit\n```\n","status":"published","published":"2020-10-14T00:00:24.741197Z","modified":"2022-04-13T03:04:37.45197Z","updated_at":"2026-11-02T15:52:48.531106Z"}]}}