Synopsis:    Moderate: libxml2 security update
Issue Date:  2012-02-21
CVE Numbers: CVE-2012-0841


The libxml2 library is a development toolbox providing the implementation
of various XML standards.

It was found that the hashing routine used by libxml2 arrays was
susceptible to predictable hash collisions. Sending a specially-crafted
message to an XML service could result in longer processing time, which
could lead to a denial of service. To mitigate this issue, randomization
has been added to the hashing function to reduce the chance of an attacker
successfully causing intentional collisions. (CVE-2012-0841)

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.

SL5:
  i386
     libxml2-2.6.26-2.1.15.el5_8.2.i386.rpm
     libxml2-debuginfo-2.6.26-2.1.15.el5_8.2.i386.rpm
     libxml2-devel-2.6.26-2.1.15.el5_8.2.i386.rpm
     libxml2-python-2.6.26-2.1.15.el5_8.2.i386.rpm
  x86_64
     libxml2-2.6.26-2.1.15.el5_8.2.i386.rpm
     libxml2-2.6.26-2.1.15.el5_8.2.x86_64.rpm
     libxml2-debuginfo-2.6.26-2.1.15.el5_8.2.i386.rpm
     libxml2-debuginfo-2.6.26-2.1.15.el5_8.2.x86_64.rpm
     libxml2-devel-2.6.26-2.1.15.el5_8.2.i386.rpm
     libxml2-devel-2.6.26-2.1.15.el5_8.2.x86_64.rpm
     libxml2-python-2.6.26-2.1.15.el5_8.2.x86_64.rpm
SL6:
  i386
     libxml2-2.7.6-4.el6_2.4.i686.rpm
     libxml2-debuginfo-2.7.6-4.el6_2.4.i686.rpm
     libxml2-devel-2.7.6-4.el6_2.4.i686.rpm
     libxml2-python-2.7.6-4.el6_2.4.i686.rpm
     libxml2-static-2.7.6-4.el6_2.4.i686.rpm
  x86_64
     libxml2-2.7.6-4.el6_2.4.i686.rpm
     libxml2-2.7.6-4.el6_2.4.x86_64.rpm
     libxml2-debuginfo-2.7.6-4.el6_2.4.i686.rpm
     libxml2-debuginfo-2.7.6-4.el6_2.4.x86_64.rpm
     libxml2-devel-2.7.6-4.el6_2.4.i686.rpm
     libxml2-devel-2.7.6-4.el6_2.4.x86_64.rpm
     libxml2-python-2.7.6-4.el6_2.4.x86_64.rpm
     libxml2-static-2.7.6-4.el6_2.4.x86_64.rpm

- Scientific Linux Development Team