High severity8.1NVD Advisory· Published Nov 11, 2025· Updated Apr 13, 2026
CVE-2025-13027
CVE-2025-13027
Description
Memory safety bugs present in Firefox 144 and Thunderbird 144. 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 145 and Thunderbird 145.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*range: <145.0
- (no CPE)range: = 144
- Range: = 144
- osv-coords4 versionspkg:apk/chainguard/firefoxpkg:apk/chainguard/firefox-esrpkg:apk/wolfi/firefoxpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed
< 145-r0+ 3 more
- (no CPE)range: < 145-r0
- (no CPE)range: < 145-r0
- (no CPE)range: < 145-r0
- (no CPE)range: < 145.0-1.1
Patches
Vulnerability mechanics
References
3- www.mozilla.org/security/advisories/mfsa2025-87/nvdVendor Advisory
- bugzilla.mozilla.org/buglist.cginvdBroken Link
- www.mozilla.org/security/advisories/mfsa2025-90/nvd
News mentions
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