VULNERABILITY INTELLIGENCE

CVE-2025-5262

CVSS score7.5 HIGH
EPSS probability0.46%
CISA KEVNot currently listed
Published2025-05-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-415

Primary references