7.5

CVE-2025-5262

Media report

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.

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Data is provided by the National Vulnerability Database (NVD)
Mozilla ≫ Thunderbird SwEditionesr Version < 128.11.0
Mozilla ≫ Thunderbird SwEdition- Version < 139.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.07% 0.227
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
134c704f-9b21-4f2e-91b3-4a467353bcc0 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, potentially leading to modification of unexpected memory locations.

https://bugzilla.mozilla.org/show_bug.cgi?id=1962421
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