Out-of-bounds Read Affecting thunderbird-debugsource package, versions <0:128.10.0-1.el10_0


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (24th percentile)

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  • Snyk IDSNYK-RHEL10-THUNDERBIRDDEBUGSOURCE-10183362
  • published19 May 2025
  • disclosed29 Apr 2025

Introduced: 29 Apr 2025

NewCVE-2025-4087  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:10 thunderbird-debugsource to version 0:128.10.0-1.el10_0 or higher.
This issue was patched in RHSA-2025:7507.

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.

A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.

CVSS Base Scores

version 3.1