7.5

CVE-2025-5262

Medienbericht
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Mozilla ≫ Thunderbird SwEdition esr Version < 128.11.0
Mozilla ≫ Thunderbird SwEdition - Version < 139.0
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.42% 0.348
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-415 Double Free

The product calls free() twice on the same memory address.

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VulnDex Intel
Media Report
09.08.2025 11:36
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