Race Condition Affecting firefox package, versions <0:68.6.1-1.0.1.el7_8


Severity

Recommended
critical

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
3.37% (92nd percentile)

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  • Snyk IDSNYK-ORACLE7-FIREFOX-2551696
  • published10 Apr 2022
  • disclosed24 Apr 2020

Introduced: 24 Apr 2020

CVE-2020-6819  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 firefox to version 0:68.6.1-1.0.1.el7_8 or higher.
This issue was patched in ELSA-2020-1338.

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:7 relevant fixed versions and status.

Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.

CVSS Scores

version 3.1