CVEvulnerability
CVE-2025-5262
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2025-05-27
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-415
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.
Affected configurations
• mozilla thunderbird (< 128.11.0)
• mozilla thunderbird (< 139.0)
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1962421 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-45/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-46/ Vendor Advisory