Race Condition Affecting firefox package, versions <88.0.1+build1-0ubuntu0.20.04.2
Snyk CVSS
Attack Complexity
High
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.22% (60th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU2004-FIREFOX-1290438
- published 7 May 2021
- disclosed 24 Jun 2021
Introduced: 7 May 2021
CVE-2021-29952 Open this link in a new tabHow to fix?
Upgrade Ubuntu:20.04 firefox to version 88.0.1+build1-0ubuntu0.20.04.2 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 Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.