High severity7.5NVD Advisory· Published May 27, 2025· Updated Jun 17, 2026
CVE-2025-5262
CVE-2025-5262
Description
A double-free could have occurred in vpx_codec_enc_init_multi after a failed allocation when initializing the encoder for WebRTC. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 139 and Thunderbird < 128.11.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*+ 3 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*range: <139.0
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*range: <128.11.0
- (no CPE)range: <139, <128.11
- (no CPE)range: unspecified
- osv-coords7 versionspkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP6pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP6pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2015%20SP7
< 128.11.0-150200.8.221.1+ 6 more
- (no CPE)range: < 128.11.0-150200.8.221.1
- (no CPE)range: < 128.11.0-1.1
- (no CPE)range: < 128.11.0-1.1
- (no CPE)range: < 128.11.0-150200.8.221.1
- (no CPE)range: < 128.11.0-150200.8.221.1
- (no CPE)range: < 128.11.0-150200.8.221.1
- (no CPE)range: < 128.11.0-150200.8.221.1
Patches
Vulnerability mechanics
References
3- www.mozilla.org/security/advisories/mfsa2025-45/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2025-46/nvdVendor Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions Required
News mentions
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