CVE-2025-14332

Memory safety bugs fixed in Firefox 146 and Thunderbird 146

CVSS 7.3 HIGHEPSS 0.3%CWE-787

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

09 Dec 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Memory safety bugs present in Firefox 145 and Thunderbird 145. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 146 and Thunderbird 146.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

Mozilla · Firefox Mozilla · Thunderbird

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1963153%2C1985058%2C1995637%2C1997118 https://www.mozilla.org/security/advisories/mfsa2025-92/https://www.mozilla.org/security/advisories/mfsa2025-95/