cbcvebase.
CVE-2025-5262
published 2025-05-27

CVE-2025-5262: 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…

high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
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

4 ranges
VendorProductVersion rangeFixed in
mozillathunderbird< 128.11.0128.11.0
mozillathunderbird< 139.0139.0
mozillathunderbird>= unspecified < 139139
mozillathunderbird>= unspecified < 128.11128.11

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH