Trust Boundary Violation Affecting firefox package, versions <0:140.17.0-1.el9_8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.33% (24th percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOX-21692612
  • published24 Oct 2026
  • disclosed15 Sept 2026

Introduced: 15 Sep 2026

CVE-2026-92035  (opens in a new tab)
CWE-501  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox to version 0:140.17.0-1.el9_8 or higher.
This issue was patched in RHSA-2026:76761.

NVD Description

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

Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Thunderbird 140.17, Firefox 156, Firefox ESR 153.3, Thunderbird 156, Thunderbird 153.3, Firefox ESR 115.42, and Firefox ESR 140.17.

CVSS Base Scores

version 3.1