CVE-2026-12330 Affecting firefox package, versions <0:140.12.0-1.el10_2


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.16% (6th percentile)

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  • Snyk IDSNYK-ROCKY10-FIREFOX-17458614
  • published25 Jun 2026
  • disclosed16 Jun 2026

Introduced: 16 Jun 2026

NewCVE-2026-12330  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:10 firefox to version 0:140.12.0-1.el10_2 or higher.
This issue was patched in RLSA-2026:27733.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:10 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