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Ubuntu Security Notice USN-4803-1: Thunderbird IMAP Buffer Vulnerability

debian
Calendar Grey December 3, 2020
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A buffer overflow flaw in Firefox might enable unauthorized code execution. Upgrade promptly to reduce security threats significantly.
Chiaki Ishikawa discovered a stack overflow in SMTP server status handling which could potentially result in the execution of arbitrary code

Summary

Chiaki Ishikawa discovered a stack overflow in SMTP server status
handling which could potentially result in the execution of arbitrary
code.

For the stable distribution (buster), this problem has been fixed in
version 1:78.5.1-1~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/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: thunderbird
CVE ID: CVE-2020-26970

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