Debian Security Advisory

DLA-2632-1 thunderbird -- LTS security update

Date Reported:
22 Apr 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-23961, CVE-2021-23991, CVE-2021-23992, CVE-2021-23993, CVE-2021-23994, CVE-2021-23995, CVE-2021-23998, CVE-2021-23999, CVE-2021-24002, CVE-2021-29945, CVE-2021-29946, CVE-2021-29948, CVE-2021-29949.
More information:

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code or information disclosure. In adddition a number of security issues were addressed in the OpenPGP support.

For Debian 9 stretch, these problems have been fixed in version 1:78.10.0-1~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: