Access of Uninitialized Pointer Affecting firefox package, versions <0:140.10.0-1.el9_8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.4% (32nd percentile)

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  • Snyk IDSNYK-RHEL9-FIREFOX-16319403
  • published29 Apr 2026
  • disclosed21 Apr 2026

Introduced: 21 Apr 2026

CVE-2026-6748  (opens in a new tab)
CWE-824  (opens in a new tab)

How to fix?

Upgrade RHEL:9 firefox to version 0:140.10.0-1.el9_8 or higher.
This issue was patched in RHSA-2026:19201.

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.

Uninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

CVSS Base Scores

version 3.1