CVE-2026-12330 Affecting firefox package, versions <0:140.12.0-1.el9_8.alma.1


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.16% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX9-FIREFOX-17436346
  • published24 Jun 2026
  • disclosed22 Jun 2026

Introduced: 22 Jun 2026

CVE-2026-12330  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 firefox to version 0:140.12.0-1.el9_8.alma.1 or higher.
This issue was patched in ALSA-2026:27734.

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.

Incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 140.12, Firefox ESR 115.37, and Thunderbird 140.12.

CVSS Base Scores

version 3.1