Out-of-bounds Write Affecting thunderbird package, versions <0:128.11.0-1.el9_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (14th percentile)

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  • Snyk IDSNYK-RHEL9-THUNDERBIRD-10303901
  • published5 Jun 2025
  • disclosed17 May 2025

Introduced: 17 May 2025

NewCVE-2025-4918  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:9 thunderbird to version 0:128.11.0-1.el9_4 or higher.
This issue was patched in RHSA-2025:8599.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

An attacker was able to perform an out-of-bounds read or write on a JavaScript Promise object. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2.

CVSS Base Scores

version 3.1