Home / mailings [SECURITY] [DSA 6563-1] mutt security update
Posted on 15 October 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6563-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
October 15, 2026 https://www.debian.org/security/faq
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Package : mutt
CVE ID : CVE-2026-107570
It was discovered that incorrect parsing of Content-Type headers in the
Mutt mail user agent could result in denial of service or potentially
the execution of arbitrary code.
For the stable distribution (trixie), this problem has been fixed in
version 2.2.13-1+deb13u2.
We recommend that you upgrade your mutt packages.
For the detailed security status of mutt please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/mutt
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
