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Debian Security Advisory DSA-4959-1                   security@debian.org
https://www.debian.org/security/                       Moritz Muehlenhoff
August 15, 2021                       https://www.debian.org/security/faq
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Package        : thunderbird
CVE ID         : CVE-2021-29980 CVE-2021-29984 CVE-2021-29985
                 CVE-2021-29986 CVE-2021-29988 CVE-2021-29989

Multiple security issues were discovered in Thunderbird, which could
result in the execution of arbitrary code.

For the stable distribution (bullseye), these problems have been fixed in
version 1:78.13.0-1~deb11u1.

For the oldstable distribution (buster), these problems have been fixed in
version 1:78.13.0-1~deb10u1.

We recommend that you upgrade your thunderbird packages.

For the detailed security status of thunderbird please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/thunderbird

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org