Origin Validation Error Affecting firefox package, versions <0:140.12.0-1.el10_2


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.19% (9th percentile)

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  • Snyk IDSNYK-CENTOS10-FIREFOX-17370141
  • published18 Jun 2026
  • disclosed16 Jun 2026

Introduced: 16 Jun 2026

CVE-2026-12304  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade Centos:10 firefox to version 0:140.12.0-1.el10_2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Centos. See How to fix? for Centos:10 relevant fixed versions and status.

Same-origin policy bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

CVSS Base Scores

version 3.1