Improper Privilege Management Affecting thunderbird package, versions <1:78.10.0-1
Threat Intelligence
EPSS
0.34% (73rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-THUNDERBIRD-1561399
- published 20 Apr 2021
- disclosed 24 Jun 2021
Introduced: 20 Apr 2021
CVE-2021-23999 Open this link in a new tabHow to fix?
Upgrade Debian:12 thunderbird to version 1:78.10.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
CVSS Scores
version 3.1