{"id":"OSV-2025-884","aliases":[],"status":"published","title":"Heap-use-after-free in JS_DefineProperty","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=458199402\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\nJS_DefineProperty\nbuild_backtrace\nJS_CallInternal\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2025-11-08T00:17:46.632315Z","modified":"2025-11-08T00:17:46Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"quickjs","ranges":[{"type":"GIT","events":[{"introduced":"1e19893c82fe150db60f2464e4eeab2b663499d4"},{"fixed":"fcbf5ea2a63510f35f9ab2baadd59781be16a167"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=458199402","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2025-884","title":"Heap-use-after-free in JS_DefineProperty","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=458199402\n\n```\nCrash type: Heap-use-after-free READ 8\nCrash state:\nJS_DefineProperty\nbuild_backtrace\nJS_CallInternal\n```\n","status":"published","published":"2025-11-08T00:17:46.632315Z","modified":"2025-11-08T00:17:46.633033Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}