{"id":"OSV-2021-677","aliases":[],"status":"published","title":"Heap-buffer-overflow in grk::FileFormatDecompress::apply_palette_clr","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544\n\n```\nCrash type: Heap-buffer-overflow WRITE 16\nCrash state:\ngrk::FileFormatDecompress::apply_palette_clr\ngrk::FileFormatDecompress::applyColour\ngrk_decompress_fuzzer.cpp\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-04-23T00:00:13.554175Z","modified":"2026-10-19T14:26:32Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"grok","ranges":[{"type":"GIT","events":[{"introduced":"7e45c17f3700085a60db0467954230e9f6dd4b2d"}]}],"versions":["v7.6.6","v7.6.6-3","v7.6.6.debian","v8.0.0","v8.0.1","v8.0.2","v8.0.3","v9.0.0","v9.1.0","v9.2.0","v9.3.0","v9.4.0","v9.5.0","v9.5.0.debian","v9.6.0","v9.7.0","v9.7.1","v9.7.2","v9.7.3","v9.7.4","v9.7.4.debian","v9.7.5","v9.7.5.debian","v9.7.6","v9.7.7","v9.7.8","v10.0.0","v10.0.0.debian","v10.0.1","v10.0.2","v10.0.3","v10.0.4","v10.0.5","v10.0.5.debian","v10.0.6","v10.0.7","v10.0.8"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2021-677","title":"Heap-buffer-overflow in grk::FileFormatDecompress::apply_palette_clr","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33544\n\n```\nCrash type: Heap-buffer-overflow WRITE 16\nCrash state:\ngrk::FileFormatDecompress::apply_palette_clr\ngrk::FileFormatDecompress::applyColour\ngrk_decompress_fuzzer.cpp\n```\n","status":"published","published":"2021-04-23T00:00:13.554175Z","modified":"2026-10-19T14:26:32.119731Z","updated_at":"2026-11-02T15:52:49.04248Z"}]}}