High severity8.2NVD Advisory· Published Mar 4, 2025· Updated Apr 13, 2026
CVE-2025-1943
CVE-2025-1943
Description
Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 136 and Thunderbird 136.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*range: <136.0
- (no CPE)range: <136
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <136.0
- (no CPE)range: <136
Patches
Vulnerability mechanics
References
3- www.mozilla.org/security/advisories/mfsa2025-14/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-17/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken Link
News mentions
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