Mutt < 1.4.1 / 1.5 UTF-7 IMAP Remote Folder Buffer Overflow Vulnerability

Medium Nessus Network Monitor Plugin ID 1296


The remote host is vulnerable to a buffer overflow


The remote host is running a version of the Mutt email client that may be vulnerable to a buffer overrun. Specifically, it has been reported that Mutt does not handle remote internationalized folders properly. Because of this, it is possible for a malicious server to launch an attack that could result in the execution of code as the mutt user.


Upgrade to either 1.4.1 or 1.5. Patches/upgrades are available at

Plugin Details

Severity: Medium

ID: 1296

Family: SMTP Clients

Published: 2004/08/20

Modified: 2016/11/23

Dependencies: 1333

Risk Information

Risk Factor: Medium


Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


Base Score: 5.6

Temporal Score: 4.9


Temporal Vector: CVSS3#E:U/RL:O/RC:C

Reference Information

CVE: CVE-2002-1090, CVE-2003-0140

BID: 7120