{"id":"OSV-2026-837","summary":"Heap-use-after-free in grk::TileProcessor::parseTilePart","details":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=519348401\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\ngrk::TileProcessor::parseTilePart\ntf::Executor::_invoke\ntf::Executor::_spawn\n```\n","modified":"2026-06-04T00:03:55.529236Z","published":"2026-06-04T00:03:55.528941Z","references":[{"type":"REPORT","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=519348401"}],"affected":[{"package":{"name":"grok","ecosystem":"OSS-Fuzz","purl":"pkg:generic/grok"},"ranges":[{"type":"GIT","repo":"https://github.com/GrokImageCompression/grok.git","events":[{"introduced":"1ca9a4ce1b63568ed43aa7c93697114dc6b3fbcb"},{"fixed":"f76c6e85fcf629f7dc5b961e37f4fefb00ce7c7e"}]}],"versions":["v20.1.0","v20.2.0","v20.2.1","v20.2.2","v20.2.3","v20.2.4","v20.2.5","v20.2.6","v20.2.7","v20.2.8","v20.2.9","v20.3.0","v20.3.1","v20.3.2","v20.3.3","v20.3.4","v20.3.5","v20.3.6"],"ecosystem_specific":{"severity":"HIGH"},"database_specific":{"introduced_range":"354d77e68ddea42a4d8068ac5a92e32035848fb7:b176c52456b31ee223c82ed2c765471b190bc18a","source":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/grok/OSV-2026-837.yaml","fixed_range":"82ce38159c68ac6da531682dc542bbbdf32c15b9:f76c6e85fcf629f7dc5b961e37f4fefb00ce7c7e"}}],"schema_version":"1.7.5"}