Use After Free Affecting firefox package, versions <0:115.5.0-1.el8_9


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.17% (54th percentile)

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  • Snyk IDSNYK-CENTOS8-FIREFOX-6078086
  • published22 Nov 2023
  • disclosed21 Nov 2023

Introduced: 21 Nov 2023

CVE-2023-6205  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 firefox to version 0:115.5.0-1.el8_9 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:8 relevant fixed versions and status.

It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.

CVSS Scores

version 3.1