Operation on a Resource after Expiration or Release Affecting thunderbird package, versions <1:78.10.0-1
Threat Intelligence
EPSS
0.24% (63rd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-THUNDERBIRD-1560939
- published 20 Apr 2021
- disclosed 24 Jun 2021
Introduced: 20 Apr 2021
CVE-2021-23995 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.
When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
CVSS Scores
version 3.1