Incorrect Privilege Assignment Affecting thunderbird package, versions <0:140.14.0-1.el10_2


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.45% (37th percentile)

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  • Snyk IDSNYK-CENTOS10-THUNDERBIRD-19000065
  • published20 Aug 2026
  • disclosed18 Aug 2026

Introduced: 18 Aug 2026

CVE-2026-74939  (opens in a new tab)
CWE-266  (opens in a new tab)

How to fix?

Upgrade Centos:10 thunderbird to version 0:140.14.0-1.el10_2 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 Centos. See How to fix? for Centos:10 relevant fixed versions and status.

Privilege escalation in the DOM: Navigation component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS Base Scores

version 3.1