CVE-2021-23974 Affecting firefox package, versions <86.0-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Scope
Changed
Threat Intelligence
EPSS
0.11% (42nd
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-FIREFOX-1078687
- published 24 Feb 2021
- disclosed 26 Feb 2021
Introduced: 24 Feb 2021
CVE-2021-23974 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
firefox
to version 86.0-1 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.
The DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86.