CVE-2025-26695 Affecting thunderbird package, versions <0:128.8.0-2.el8_10.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.16% (5th percentile)

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  • Snyk IDSNYK-ALMALINUX8-THUNDERBIRD-22277693
  • published7 Nov 2026
  • disclosed17 Mar 2025

Introduced: 17 Mar 2025

CVE-2025-26695  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 thunderbird to version 0:128.8.0-2.el8_10.alma.1 or higher.
This issue was patched in ALSA-2025:2900.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

When requesting an OpenPGP key from a WKD server, an incorrect padding size was used and a network observer could have learned the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8.

CVSS Base Scores

version 3.1