Race Condition Affecting thunderbird-debugsource package, versions <0:140.13.0-1.el10_2


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-RHEL10-THUNDERBIRDDEBUGSOURCE-18513764
  • published4 Aug 2026
  • disclosed21 Jul 2026

Introduced: 21 Jul 2026

CVE-2026-16358  (opens in a new tab)
CWE-368  (opens in a new tab)

How to fix?

Upgrade RHEL:10 thunderbird-debugsource to version 0:140.13.0-1.el10_2 or higher.
This issue was patched in RHSA-2026:49621.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird-debugsource package and not the thunderbird-debugsource package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Site isolation issue in the Graphics: WebRender component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVSS Base Scores

version 3.1