CVE-2026-74974 Affecting firefox package, versions <0:140.14.0-1.el9_8.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-ALMALINUX9-FIREFOX-19278110
  • published27 Aug 2026
  • disclosed24 Aug 2026

Introduced: 24 Aug 2026

NewCVE-2026-74974  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 firefox to version 0:140.14.0-1.el9_8.alma.1 or higher.
This issue was patched in ALSA-2026:58897.

NVD Description

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

Same-origin policy bypass in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.

CVSS Base Scores

version 3.1