Use After Free Affecting thunderbird package, versions <1:68.6.0-1
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-DEBIAN12-THUNDERBIRD-1560700
- published 10 Mar 2020
- disclosed 25 Mar 2020
Introduced: 10 Mar 2020
CVE-2020-6807 Open this link in a new tabHow to fix?
Upgrade Debian:12 thunderbird to version 1:68.6.0-1 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 a device was changed while a stream was about to be destroyed, the <code>stream-reinit</code> task may have been executed after the stream was destroyed, causing a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
References
- https://security-tracker.debian.org/tracker/CVE-2020-6807
- https://www.mozilla.org/security/advisories/mfsa2020-08/
- https://www.mozilla.org/security/advisories/mfsa2020-09/
- https://www.mozilla.org/security/advisories/mfsa2020-10/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1614971
- https://usn.ubuntu.com/4328-1/
- https://usn.ubuntu.com/4335-1/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-6807