Creation of chroot Jail Without Changing Working Directory Affecting firefox package, versions <0:140.12.0-1.el9_8


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.19% (9th percentile)

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  • Snyk IDSNYK-CENTOS9-FIREFOX-17380112
  • published19 Jun 2026
  • disclosed16 Jun 2026

Introduced: 16 Jun 2026

CVE-2026-12311  (opens in a new tab)
CWE-243  (opens in a new tab)

How to fix?

Upgrade Centos:9 firefox to version 0:140.12.0-1.el9_8 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:9 relevant fixed versions and status.

Information disclosure, sandbox escape in the Security: Process Sandboxing component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

CVSS Base Scores

version 3.1