CVE-2024-7521 | BDVDB-2026-244656 Detail
MozillaFirefox
Description#
Incomplete WebAssembly exception handing could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-755 Improper Handling of Exceptional Conditions
References#
- https://bugzilla.mozilla.org/show_bug.cgi?id=1904644
- https://www.mozilla.org/security/advisories/mfsa2024-33/
- https://www.mozilla.org/security/advisories/mfsa2024-34/
- https://www.mozilla.org/security/advisories/mfsa2024-35/
- https://www.mozilla.org/security/advisories/mfsa2024-37/
- https://www.mozilla.org/security/advisories/mfsa2024-38/
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.