CVE-2026-12330 Affecting firefox package, versions <0:140.12.0-1.0.1.el8_10


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.16% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-FIREFOX-17400565
  • published22 Jun 2026
  • disclosed16 Jun 2026

Introduced: 16 Jun 2026

CVE-2026-12330  (opens in a new tab)

How to fix?

Upgrade Oracle:8 firefox to version 0:140.12.0-1.0.1.el8_10 or higher.
This issue was patched in ELSA-2026-27717.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Oracle. See How to fix? for Oracle:8 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