Access of Resource Using Incompatible Type ('Type Confusion') Affecting thunderbird package, versions <1:78.7.0-1
Threat Intelligence
EPSS
0.26% (66th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-THUNDERBIRD-1560718
- published 27 Jan 2021
- disclosed 26 Feb 2021
Introduced: 27 Jan 2021
CVE-2021-23954 Open this link in a new tabHow to fix?
Upgrade Debian:12 thunderbird to version 1:78.7.0-1 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.
Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
CVSS Scores
version 3.1