{"id":"OSV-2026-1095","aliases":[],"status":"published","title":"Heap-buffer-overflow in grk::t1::CodeblockDecompressImpl::parsePacketData","description":"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```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-07-30T00:06:16.397282Z","modified":"2026-08-12T14:21:59Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"grok","ranges":[{"type":"GIT","events":[{"introduced":"06c96bfbc38c74d386ce27018002d3febfff8f0c"},{"fixed":"553b008061c8fafcb161ae293f489e08abf2e2d1"}]}],"versions":["v20.3.5","v20.3.6","v20.3.7"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=540111888","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-1095","title":"Heap-buffer-overflow in grk::t1::CodeblockDecompressImpl::parsePacketData","description":"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","status":"published","published":"2026-07-30T00:06:16.397282Z","modified":"2026-08-12T14:21:59.124309Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}