{"id":"OSV-2026-703","aliases":[],"status":"published","title":"Heap-use-after-free in js_atomics_op","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=510792185\n\n```\nCrash type: Heap-use-after-free WRITE 4\nCrash state:\njs_atomics_op\njs_call_c_function\nJS_CallInternal\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-05-09T00:17:31.678264Z","modified":"2026-05-09T00:17:31Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"quickjs","ranges":[{"type":"GIT","events":[{"introduced":"1e19893c82fe150db60f2464e4eeab2b663499d4"},{"fixed":"e182e3df5c51017a7faa97a654b3f2b9c6330448"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=510792185","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-703","title":"Heap-use-after-free in js_atomics_op","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=510792185\n\n```\nCrash type: Heap-use-after-free WRITE 4\nCrash state:\njs_atomics_op\njs_call_c_function\nJS_CallInternal\n```\n","status":"published","published":"2026-05-09T00:17:31.678264Z","modified":"2026-05-09T00:17:31.678556Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}