[xml/sgml-pkgs] Bug#663579: Three security issues

[Moritz Muehlenhoff]

Package: libexpat1
Severity: grave
Tags: security

Three denial of service issues have been discovered in Expat:

#2895533: CVE-2012-1147 - Resource leak in readfilemap.c.
http://mail.python.org/pipermail/expat-bugs/2009-November/002858.html
http://sourceforge.net/tracker/?func=detail&aid=2895533&group_id=10127&atid=110127
https://bugzilla.redhat.com/show_bug.cgi?id=801634

#2958794: CVE-2012-1148 - Memory leak in poolGrow.
http://mail.python.org/pipermail/expat-bugs/2010-February/002870.html
http://sourceforge.net/tracker/?func=detail&atid=110127&aid=2958794&group_id=10127
https://bugzilla.redhat.com/show_bug.cgi?id=801648

#3496608: CVE-2012-0876 - Hash DOS attack.
http://blog.gmane.org/gmane.text.xml.expat.bugs/month=20120301
http://sourceforge.net/tracker/?func=detail&atid=110127&aid=3496608&group_id=10127
https://bugzilla.redhat.com/show_bug.cgi?id=786617

Cheers,
        Moritz