{"uuid": "929a79fb-fce9-4927-8fae-12dce3dda903", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-37975", "type": "seen", "source": "https://t.me/oleg_log/5008", "content": "I\u2019ll analyse CVE-2021-37975 (reported by an anonymous researcher), which is a logic bug in the implementation of the garbage collector (GC) in v8 (the JavaScript interpreter of Chrome). This bug allows reachable JavaScript objects to be collected by the garbage collector, which then leads to a use-after-free (UAF) vulnerability for arbitrary objects in v8.\n\n\u0425\u043e\u0447\u0435\u0442\u0441\u044f \u043d\u0430 2022 \u0432\u0437\u044f\u0442\u044c \u043e\u0431\u0435\u0449\u0430\u043d\u0438\u0435, \u0447\u0442\u043e \u044f \u0431\u0443\u0434\u0443 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0447\u0438\u0442\u0430\u0442\u044c \u0442\u0430\u043a\u0438\u0435 \u0441\u0435\u0440\u044c\u0435\u0437\u043d\u044b\u0435 \u0440\u0430\u0437\u0431\u043e\u0440\u044b.\n\nhttps://securitylab.github.com/research/in_the_wild_chrome_cve_2021_37975/", "creation_timestamp": "2026-07-29T12:01:53.069691Z"}