Debian Security Advisory

DLA-2930-1 thunderbird -- LTS security update

Date Reported:
01 Mar 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2022-0566.
More information:

An out-of-bounds write was discovered in Thunderbird, which could be triggered via a malformed email message.

For Debian 9 stretch, this problem has been fixed in version 1:91.6.1-1~deb9u1.

We recommend that you upgrade your thunderbird packages.

For the detailed security status of thunderbird please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: