Improperly Implemented Security Check for Standard Affecting thunderbird package, versions *


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.37% (29th percentile)

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  • Snyk IDSNYK-CENTOS7-THUNDERBIRD-17009079
  • published28 May 2026
  • disclosed19 May 2026

Introduced: 19 May 2026

CVE-2026-8962  (opens in a new tab)
CWE-358  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 thunderbird.

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:7 relevant fixed versions and status.

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

CVSS Base Scores

version 3.1