Race Condition Affecting firefox package, versions <0:68.6.1-1.0.1.el6_10


Severity

Recommended
critical

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Attacked
EPSS
6.31% (93rd percentile)

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  • Snyk IDSNYK-ORACLE6-FIREFOX-2553360
  • published10 Apr 2022
  • disclosed24 Apr 2020

Introduced: 24 Apr 2020

CVE-2020-6820  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Oracle:6 firefox to version 0:68.6.1-1.0.1.el6_10 or higher.
This issue was patched in ELSA-2020-1339.

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:6 relevant fixed versions and status.

Under certain conditions, when handling a ReadableStream, 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 Base Scores

version 3.1