{"id":"OSV-2026-1095","summary":"Heap-buffer-overflow in grk::t1::CodeblockDecompressImpl::parsePacketData","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=540111888\n\n```\nCrash type: Heap-buffer-overflow READ 8\nCrash state:\ngrk::t1::CodeblockDecompressImpl::parsePacketData\ngrk::PacketParser::readData\ngrk::PacketParser::parsePacketData\n```\n","modified":"2026-08-12T14:21:59.124309Z","published":"2026-07-30T00:06:16.397282Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=540111888"}],"affected":[{"package":{"name":"grok","ecosystem":"OSS-Fuzz","purl":"pkg:generic/grok"},"ranges":[{"type":"GIT","repo":"https://github.com/GrokImageCompression/grok.git","events":[{"introduced":"06c96bfbc38c74d386ce27018002d3febfff8f0c"},{"fixed":"553b008061c8fafcb161ae293f489e08abf2e2d1"}]}],"versions":["v20.3.5","v20.3.6","v20.3.7"],"ecosystem_specific":{"severity":"MEDIUM"},"database_specific":{"fixed_range":"c9c1223c1e7bd7be579ea60e8e083ee244a78f58:553b008061c8fafcb161ae293f489e08abf2e2d1","source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2026-1095.yaml"}}],"schema_version":"1.8.0"}