Out-of-Bounds Affecting firefox package, versions <87.0-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Availability
High
Threat Intelligence
EPSS
0.09% (39th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-1088406
- published 24 Mar 2021
- disclosed 31 Mar 2021
Introduced: 24 Mar 2021
CVE-2021-23983 Open this link in a new tabHow to fix?
Upgrade Debian:unstable firefox to version 87.0-1 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 Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.