pidgin (SL4, SL5)

Synopsis: Moderate: pidgin security update
Issue Date: 2011-10-13
CVE Numbers: CVE-2011-1091
CVE-2011-3594

Pidgin is an instant messaging program which can log in to multiple
accounts on multiple instant messaging networks simultaneously.

An input sanitization flaw was found in the way the Pidgin SILC (Secure
Internet Live Conferencing) protocol plug-in escaped certain UTF-8
characters. A remote attacker could use this flaw to crash Pidgin via a
specially-crafted SILC message. (CVE-2011-3594)

Multiple NULL pointer dereference flaws were found in the way the Pidgin
Yahoo! Messenger Protocol plug-in handled malformed YMSG packets. A remote
attacker could use these flaws to crash Pidgin via a specially-crafted
notification message. (CVE-2011-1091)

Red Hat would like to thank the Pidgin project for reporting CVE-2011-1091.
Upstream acknowledges Marius Wachtler as the original reporter of
CVE-2011-1091.

All Pidgin users should upgrade to these updated packages, which contain
backported patches to resolve these issues. Pidgin must be restarted for
this update to take effect.

SL4
x86_64
finch-2.6.6-7.el4.x86_64.rpm
finch-devel-2.6.6-7.el4.x86_64.rpm
libpurple-2.6.6-7.el4.x86_64.rpm
libpurple-devel-2.6.6-7.el4.x86_64.rpm
libpurple-perl-2.6.6-7.el4.x86_64.rpm
libpurple-tcl-2.6.6-7.el4.x86_64.rpm
pidgin-2.6.6-7.el4.x86_64.rpm
pidgin-devel-2.6.6-7.el4.x86_64.rpm
pidgin-perl-2.6.6-7.el4.x86_64.rpm
i386
finch-2.6.6-7.el4.i386.rpm
finch-devel-2.6.6-7.el4.i386.rpm
libpurple-2.6.6-7.el4.i386.rpm
libpurple-devel-2.6.6-7.el4.i386.rpm
libpurple-perl-2.6.6-7.el4.i386.rpm
libpurple-tcl-2.6.6-7.el4.i386.rpm
pidgin-2.6.6-7.el4.i386.rpm
pidgin-devel-2.6.6-7.el4.i386.rpm
pidgin-perl-2.6.6-7.el4.i386.rpm
SL5
x86_64
finch-2.6.6-5.el5_7.1.i386.rpm
finch-2.6.6-5.el5_7.1.x86_64.rpm
finch-devel-2.6.6-5.el5_7.1.i386.rpm
finch-devel-2.6.6-5.el5_7.1.x86_64.rpm
libpurple-2.6.6-5.el5_7.1.i386.rpm
libpurple-2.6.6-5.el5_7.1.x86_64.rpm
libpurple-devel-2.6.6-5.el5_7.1.i386.rpm
libpurple-devel-2.6.6-5.el5_7.1.x86_64.rpm
libpurple-perl-2.6.6-5.el5_7.1.x86_64.rpm
libpurple-tcl-2.6.6-5.el5_7.1.x86_64.rpm
pidgin-2.6.6-5.el5_7.1.i386.rpm
pidgin-2.6.6-5.el5_7.1.x86_64.rpm
pidgin-devel-2.6.6-5.el5_7.1.i386.rpm
pidgin-devel-2.6.6-5.el5_7.1.x86_64.rpm
pidgin-perl-2.6.6-5.el5_7.1.x86_64.rpm
i386
finch-2.6.6-5.el5_7.1.i386.rpm
finch-devel-2.6.6-5.el5_7.1.i386.rpm
libpurple-2.6.6-5.el5_7.1.i386.rpm
libpurple-devel-2.6.6-5.el5_7.1.i386.rpm
libpurple-perl-2.6.6-5.el5_7.1.i386.rpm
libpurple-tcl-2.6.6-5.el5_7.1.i386.rpm
pidgin-2.6.6-5.el5_7.1.i386.rpm
pidgin-devel-2.6.6-5.el5_7.1.i386.rpm
pidgin-perl-2.6.6-5.el5_7.1.i386.rpm

– Scientific Linux Development Team