{"id":"OSV-2026-837","aliases":[],"status":"published","title":"Heap-use-after-free in grk::TileProcessor::parseTilePart","description":"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```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-06-04T00:03:55.528941Z","modified":"2026-06-04T00:03:55Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"grok","ranges":[{"type":"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"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=519348401","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-837","title":"Heap-use-after-free in grk::TileProcessor::parseTilePart","description":"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","status":"published","published":"2026-06-04T00:03:55.528941Z","modified":"2026-06-04T00:03:55.529236Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}