Access of Uninitialized Pointer Affecting thunderbird package, versions <0:140.16.0-1.el10_2


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.32% (23rd percentile)

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  • Snyk IDSNYK-CENTOS10-THUNDERBIRD-19877441
  • published17 Sept 2026
  • disclosed1 Sept 2026

Introduced: 1 Sep 2026

CVE-2026-84639  (opens in a new tab)
CWE-824  (opens in a new tab)

How to fix?

Upgrade Centos:10 thunderbird to version 0:140.16.0-1.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.

Triggering an error condition in certain MIME bodies would cause uninitialized memory to be used. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

CVSS Base Scores

version 3.1