CVE-2025-12380 Affecting thunderbird package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (18th percentile)

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  • Snyk IDSNYK-UBUNTU2204-THUNDERBIRD-13796917
  • published1 Nov 2025
  • disclosed28 Oct 2025

Introduced: 28 Oct 2025

NewCVE-2025-12380  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:22.04 thunderbird.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

Starting with Firefox 142, it was possible for a compromised child process to trigger a use-after-free in the GPU or browser process using WebGPU-related IPC calls. This may have been usable to escape the child process sandbox. This vulnerability affects Firefox < 144.0.2.