USN-6374-2: Mutt vulnerabilities

19 October 2023

Mutt could be made to crash if it received specially crafted input.

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Releases

Packages

  • mutt - text-based mailreader supporting MIME, GPG, PGP and threading

Details

USN-6374-1 fixed vulnerabilities in Mutt. This update provides the
corresponding updates for Ubuntu 23.10.

Original advisory details:

It was discovered that Mutt incorrectly handled certain email header
contents. If a user were tricked into opening a specially crafted message,
a remote attacker could possibly use this issue to cause a denial of
service. (CVE-2023-4874, CVE-2023-4875)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.10

In general, a standard system update will make all the necessary changes.

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