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=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: libxml2 security update
Advisory ID: RHSA-2013:0581-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0581.html
Issue date: 2013-02-28
CVE Names: CVE-2013-0338
=====================================================================
1. Summary:
Updated libxml2 packages that fix one security issue are now available for
Red Hat Enterprise Linux 5 and 6.
The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.
2. Relevant releases/architectures:
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
The libxml2 library is a development toolbox providing the implementation
of various XML standards.
A denial of service flaw was found in the way libxml2 performed string
substitutions when entity values for entity references replacement was
enabled. A remote attacker could provide a specially-crafted XML file that,
when processed by an application linked against libxml2, would lead to
excessive CPU consumption. (CVE-2013-0338)
All users of libxml2 are advised to upgrade to these updated packages,
which contain a backported patch to correct this issue. The desktop must
be restarted (log out, then log back in) for this update to take effect.
4. Solution:
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258
5. Bugs fixed (http://bugzilla.redhat.com/):
912400 - CVE-2013-0338 libxml2: CPU consumption DoS when performing string
substitutions during entities expansion
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
libxml2-2.6.26-2.1.21.el5_9.1.src.rpm
i386:
libxml2-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-python-2.6.26-2.1.21.el5_9.1.i386.rpm
x86_64:
libxml2-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-2.6.26-2.1.21.el5_9.1.x86_64.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.x86_64.rpm
libxml2-python-2.6.26-2.1.21.el5_9.1.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source:
libxml2-2.6.26-2.1.21.el5_9.1.src.rpm
i386:
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.i386.rpm
x86_64:
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.x86_64.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
libxml2-2.6.26-2.1.21.el5_9.1.src.rpm
i386:
libxml2-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-python-2.6.26-2.1.21.el5_9.1.i386.rpm
ia64:
libxml2-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-2.6.26-2.1.21.el5_9.1.ia64.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.ia64.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.ia64.rpm
libxml2-python-2.6.26-2.1.21.el5_9.1.ia64.rpm
ppc:
libxml2-2.6.26-2.1.21.el5_9.1.ppc.rpm
libxml2-2.6.26-2.1.21.el5_9.1.ppc64.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.ppc.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.ppc64.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.ppc.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.ppc64.rpm
libxml2-python-2.6.26-2.1.21.el5_9.1.ppc.rpm
s390x:
libxml2-2.6.26-2.1.21.el5_9.1.s390.rpm
libxml2-2.6.26-2.1.21.el5_9.1.s390x.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.s390.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.s390x.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.s390.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.s390x.rpm
libxml2-python-2.6.26-2.1.21.el5_9.1.s390x.rpm
x86_64:
libxml2-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-2.6.26-2.1.21.el5_9.1.x86_64.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-debuginfo-2.6.26-2.1.21.el5_9.1.x86_64.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.i386.rpm
libxml2-devel-2.6.26-2.1.21.el5_9.1.x86_64.rpm
libxml2-python-2.6.26-2.1.21.el5_9.1.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source:
libxml2-2.7.6-12.el6_4.1.src.rpm
i386:
libxml2-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-python-2.7.6-12.el6_4.1.i686.rpm
x86_64:
libxml2-2.7.6-12.el6_4.1.i686.rpm
libxml2-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-python-2.7.6-12.el6_4.1.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source:
libxml2-2.7.6-12.el6_4.1.src.rpm
i386:
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-devel-2.7.6-12.el6_4.1.i686.rpm
libxml2-static-2.7.6-12.el6_4.1.i686.rpm
x86_64:
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-devel-2.7.6-12.el6_4.1.i686.rpm
libxml2-devel-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-static-2.7.6-12.el6_4.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
libxml2-2.7.6-12.el6_4.1.src.rpm
x86_64:
libxml2-2.7.6-12.el6_4.1.i686.rpm
libxml2-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-python-2.7.6-12.el6_4.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
libxml2-2.7.6-12.el6_4.1.src.rpm
x86_64:
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-devel-2.7.6-12.el6_4.1.i686.rpm
libxml2-devel-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-static-2.7.6-12.el6_4.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
libxml2-2.7.6-12.el6_4.1.src.rpm
i386:
libxml2-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-devel-2.7.6-12.el6_4.1.i686.rpm
libxml2-python-2.7.6-12.el6_4.1.i686.rpm
ppc64:
libxml2-2.7.6-12.el6_4.1.ppc.rpm
libxml2-2.7.6-12.el6_4.1.ppc64.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.ppc.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.ppc64.rpm
libxml2-devel-2.7.6-12.el6_4.1.ppc.rpm
libxml2-devel-2.7.6-12.el6_4.1.ppc64.rpm
libxml2-python-2.7.6-12.el6_4.1.ppc64.rpm
s390x:
libxml2-2.7.6-12.el6_4.1.s390.rpm
libxml2-2.7.6-12.el6_4.1.s390x.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.s390.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.s390x.rpm
libxml2-devel-2.7.6-12.el6_4.1.s390.rpm
libxml2-devel-2.7.6-12.el6_4.1.s390x.rpm
libxml2-python-2.7.6-12.el6_4.1.s390x.rpm
x86_64:
libxml2-2.7.6-12.el6_4.1.i686.rpm
libxml2-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-devel-2.7.6-12.el6_4.1.i686.rpm
libxml2-devel-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-python-2.7.6-12.el6_4.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source:
libxml2-2.7.6-12.el6_4.1.src.rpm
i386:
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-static-2.7.6-12.el6_4.1.i686.rpm
ppc64:
libxml2-debuginfo-2.7.6-12.el6_4.1.ppc64.rpm
libxml2-static-2.7.6-12.el6_4.1.ppc64.rpm
s390x:
libxml2-debuginfo-2.7.6-12.el6_4.1.s390x.rpm
libxml2-static-2.7.6-12.el6_4.1.s390x.rpm
x86_64:
libxml2-debuginfo-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-static-2.7.6-12.el6_4.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
libxml2-2.7.6-12.el6_4.1.src.rpm
i386:
libxml2-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-devel-2.7.6-12.el6_4.1.i686.rpm
libxml2-python-2.7.6-12.el6_4.1.i686.rpm
x86_64:
libxml2-2.7.6-12.el6_4.1.i686.rpm
libxml2-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-debuginfo-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-devel-2.7.6-12.el6_4.1.i686.rpm
libxml2-devel-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-python-2.7.6-12.el6_4.1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
Source:
libxml2-2.7.6-12.el6_4.1.src.rpm
i386:
libxml2-debuginfo-2.7.6-12.el6_4.1.i686.rpm
libxml2-static-2.7.6-12.el6_4.1.i686.rpm
x86_64:
libxml2-debuginfo-2.7.6-12.el6_4.1.x86_64.rpm
libxml2-static-2.7.6-12.el6_4.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2013-0338.html
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2013 Red Hat, Inc.
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