Out-of-bounds Write Affecting thunderbird package, versions <0:140.9.0-1.el10_1


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.02% (7th percentile)

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  • Snyk IDSNYK-CENTOS10-THUNDERBIRD-15769833
  • published26 Mar 2026
  • disclosed24 Mar 2026

Introduced: 24 Mar 2026

NewCVE-2026-4699  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Centos:10 thunderbird to version 0:140.9.0-1.el10_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 Centos. See How to fix? for Centos:10 relevant fixed versions and status.

Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS Base Scores

version 3.1