{"id":"OSV-2022-834","aliases":[],"status":"published","title":"Heap-use-after-free in mk_event_timeout_destroy","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50924\n\n```\nCrash type: Heap-use-after-free WRITE 8\nCrash state:\nmk_event_timeout_destroy\nflb_sched_destroy\nflb_config_exit\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-09-04T00:00:31.605787Z","modified":"2026-11-10T14:30:05Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"fluent-bit","ranges":[{"type":"GIT","events":[{"introduced":"0c5d8da6bbf32d4712d4dd718155ac2301b1bb17"},{"introduced":"73bc3ec78451aa41757bf7a12366228b79527544"}]}],"versions":["v2.0.0","v2.0.0-rc1","v2.0.0-rc2","v2.0.0-rc3","v2.0.0pre","v2.0.1","v2.0.2","v2.0.3","v2.0.4","v2.0.5","v2.0.6","v2.0.7","vv.2.0.7","v2.0.8","tiger-2.0.9-dev-20230104","v2.0.9","v2.0.10","v2.0.11","v2.1.0-rc1","v2.1.0-rc2","v2.1.0","v2.1.1","v2.1.2","v2.0.12","v2.1.3","v2.0.13","v2.0.14","v2.1.4","v2.1.5","v2.1.5-windows-artifact-fix","v2.1.6","v2.1.7","v2.1.8","v2.1.9","v2.1.10","v2.2.0","v2.2.1","v2.2.2","v3.0.0","v3.0.1","v3.0.2","v3.0.3","v3.0.4","v2.2.3","v3.0.5","v3.0.6","v3.0.7","v3.1.0","v3.1.1","v3.1.2","v3.1.3","v3.1.4","v3.1.5","v3.1.6","v3.1.7","v3.1.8","v3.1.9","v3.1.10","v3.2.0","v3.2.1","v3.2.2","v3.2.3","v3.2.4","v3.2.5","v3.2.6","v3.2.7","v3.2.8","v3.2.9","v3.2.10","v4.0.0","v4.0.1","v4.0.2","v4.0.3","v4.0.4","v4.0.5","v4.0.6","v4.0.7","v4.0.8","v4.0.9","v4.0.10","v4.0.11","v4.1.0","v4.0.12","v4.1.1","v4.0.13","v4.2.0","v4.2.1","v4.2.2","v5.0.0-dev-20260228","v5.0.0","v5.0.1","v5.0.2","v5.0.3","v5.0.4","v5.0.5","v5.0.6","v5.0.7","v5.0.8","v5.0.9","v5.1.0","v5.1.1","v5.1.2","v5.1.3","v5.1.4","v5.1.5","wasm-browser-e090fbd054c82ae67f12ebe926600827b6cf5f48","wasm-browser-364a2d700a05893618527fff8d4d1f9e5e2e35cd","wasm-browser-41dcc3d1f91a758921a2b995e7f249905c776277","wasm-browser-78911a0ff0594a2198235a96d6048d72909ff041","wasm-browser-85c7030b29c4a9702fa0229efd9eb71736e03038","wasm-browser-a0c6ac530896994398822df052015582e3830243","wasm-browser-a88af96c92534e1bb0d585f63e97e41cd543a059","wasm-browser-28ebf30c97d5bcb9ac6e3af3794023f1ebc92543","wasm-browser-9c04b3bcfcb50a036692ab30f2added0cb682215","wasm-browser-f6c314476f1fc9d6aac2bff1154a33a40a8a721a","wasm-browser-fc966e90da4d99afc36bee42e3ac444dcab9372e","v5.2.0","wasm-browser-8590ef6a819e36b84ee14ae325f46ea10b3ef852","wasm-browser-d9464c001e4ab5a17b8dac566e4f7ab25c2bcb0b","wasm-browser-e0149076aeff009d35fd495e55379cb78f1eb53f","v5.0.11","v5.0.10","v4.2.8","v4.2.7","v4.2.6","v4.2.5","v4.2.4","v4.2.3","v4.2.3.1","v4.0.14","v4.1.2"]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50924","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2022-834","title":"Heap-use-after-free in mk_event_timeout_destroy","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50924\n\n```\nCrash type: Heap-use-after-free WRITE 8\nCrash state:\nmk_event_timeout_destroy\nflb_sched_destroy\nflb_config_exit\n```\n","status":"published","published":"2022-09-04T00:00:31.605787Z","modified":"2026-11-10T14:30:05.7095316Z","updated_at":"2026-11-10T15:02:13.238476Z"}]}}