Vulnerability Database

309,364

Total vulnerabilities in the database

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 memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 139 and Thunderbird < 128.11.

  • Published: May 27, 2025
  • Updated: Nov 16, 2025
  • CVE: CVE-2025-5262
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
mozilla / thunderbird - 128.11.0
mozilla / thunderbird - 139.0