GNU Mailutils: unexpected processsing of escape sequences A vulnerability has been discovered in Mailutils where escape sequences are processed in a context where this may lead to RCE. mailutils 2023-10-19 2023-10-19 802867 remote 3.12-r3 3.12-r3

GNU Mailutils is a collection of mail-related utilities, including an IMAP4 server (imap4d) and a Mail User Agent (mail).

A vulnerability has been discovered in GNU Mailutils. Please review the CVE identifier referenced below for details.

mail(1) from mailutils would process escape sequences (like ~! shellcommand) in message bodies piped/redirected in. This creates an RCE if some part of the message body is under an attacker's control.

There is no known workaround at this time.

All Mailutils users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=net-mail/mailutils-3.12-r3" CVE-2021-32749 graaff graaff