Access of Resource Using Incompatible Type ('Type Confusion') Affecting firefox-debuginfo package, versions <0:140.9.0-1.el9_7


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-ROCKY9-FIREFOXDEBUGINFO-15970018
  • published10 Apr 2026
  • disclosed24 Mar 2026

Introduced: 24 Mar 2026

NewCVE-2026-4698  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 firefox-debuginfo to version 0:140.9.0-1.el9_7 or higher.
This issue was patched in RLSA-2026:5930.

NVD Description

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

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

CVSS Base Scores

version 3.1