Type Confusion in Async Generators in Javascript Engine
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.7%
exploitation probability
0.7%top 50% of all CVEs
observed exploitation
nono source reports it
An error in the ECMA-262 specification relating to Async Generators could have resulted in a type confusion, potentially leading to memory corruption and an exploitable crash. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1901411https://github.com/tc39/ecma262/security/advisories/GHSA-g38c-wh3c-5h9rhttps://www.mozilla.org/security/advisories/mfsa2024-29/https://www.mozilla.org/security/advisories/mfsa2024-30/https://www.mozilla.org/security/advisories/mfsa2024-31/https://www.mozilla.org/security/advisories/mfsa2024-32/