CVE-2025-0239 Affecting thunderbird package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

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  • Snyk IDSNYK-UBUNTU2204-THUNDERBIRD-8604068
  • published9 Jan 2025
  • disclosed7 Jan 2025

Introduced: 7 Jan 2025

NewCVE-2025-0239  (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.

When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability affects Firefox < 134 and Firefox ESR < 128.6.