[USN-6374-2] Mutt vulnerabilities

Fabian Toepfer fabian.toepfer at canonical.com
Thu Oct 19 17:20:02 UTC 2023

Ubuntu Security Notice USN-6374-2
October 19, 2023

mutt vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10


Mutt could be made to crash if it received specially crafted

Software Description:
- mutt: text-based mailreader supporting MIME, GPG, PGP and threading


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)

Update instructions:

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

Ubuntu 23.10:
   mutt                            2.2.9-1ubuntu0.23.10.1

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

   CVE-2023-4874, CVE-2023-4875

Package Information:

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature.asc
Type: application/pgp-signature
Size: 840 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20231019/7bcc8b12/attachment-0001.sig>

More information about the ubuntu-security-announce mailing list