Origin Validation Error Affecting thunderbird package, versions <1:140.6.0esr-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-THUNDERBIRD-14400594
  • published12 Dec 2025
  • disclosed9 Dec 2025

Introduced: 9 Dec 2025

NewCVE-2025-14331  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade Debian:unstable thunderbird to version 1:140.6.0esr-1 or higher.

NVD Description

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

Same-origin policy bypass in the Request Handling component. This vulnerability affects Firefox < 146, Firefox ESR < 115.31, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.

CVSS Base Scores

version 3.1