Out-of-bounds Write Affecting firefox package, versions <0:140.11.0-1.el9_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.33% (25th percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOX-17358237
  • published17 Jun 2026
  • disclosed19 May 2026

Introduced: 19 May 2026

CVE-2026-8974  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox to version 0:140.11.0-1.el9_6 or higher.
This issue was patched in RHSA-2026:26492.

NVD Description

This vulnerability has not been analyzed by NVD yet.

CVSS Base Scores

version 3.1