GLSA 201701-04: Mutt: Heap-based buffer overflow

http://security.gentoo.org/

Severity:	normal
Title:	Mutt: Heap-based buffer overflow
Date:	01/01/2017
Bugs:	#530842
ID:	201701-04

Synopsis

A heap-based buffer overflow in Mutt might allow remote attackers to cause a Denial of Service condition.

Background

Mutt is a small but very powerful text-based mail client.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
mail-client/mutt	< 1.5.23-r5	>= 1.5.23-r5	All supported architectures

Description

A heap-based buffer overflow was discovered in Mutt’s mutt_substrdup function.

Impact

A remote attacker could cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Mutt users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=mail-client/mutt-1.5.23-r5"

References

CVE-2014-9116

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201701-04.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.