A new update is available for Red Hat Enterprise Linux. Here the announcement:
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: pidgin security and bug fix update
Advisory ID: RHSA-2008:0584-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0584.html
Issue date: 2008-07-09
CVE Names: CVE-2008-2927
=====================================================================

1. Summary:

Updated Pidgin packages that fix a security issue and address a bug are now
available for Red Hat Enterprise Linux 3, 4, and 5.

This update has been rated as having important security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
RHEL Optional Productivity Applications (v. 5 server) - i386, x86_64

3. Description:

Pidgin is a multi-protocol Internet Messaging client.

An integer overflow flaw was found in Pidgin's MSN protocol handler. If a
user received a malicious MSN message, it was possible to execute arbitrary
code with the permissions of the user running Pidgin. (CVE-2008-2927)

Note: the default Pidgin privacy setting only allows messages from users in
the buddy list. This prevents arbitrary MSN users from exploiting this
flaw.

This update also addresses the following bug:

* when attempting to connect to the ICQ network, Pidgin would fail to
connect, present an alert saying the "The client version you are using is
too old", and de-activate the ICQ account. This update restores Pidgin's
ability to connect to the ICQ network.

All Pidgin users should upgrade to these updated packages, which contain
backported patches to resolve these issues.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

5. Bugs fixed (http://bugzilla.redhat.com/):

453634 - RHEL5 - Fix ICQ login
453764 - CVE-2008-2927 pidgin MSN integer overflow
453773 - RHEL4 - Fix ICQ login
453774 - RHEL3 - Fix ICQ login

6. Package List:

Red Hat Enterprise Linux AS version 3:

Source:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/pidgin-1.5.1-2.el3.src.rpm

i386:
pidgin-1.5.1-2.el3.i386.rpm
pidgin-debuginfo-1.5.1-2.el3.i386.rpm

ia64:
pidgin-1.5.1-2.el3.ia64.rpm
pidgin-debuginfo-1.5.1-2.el3.ia64.rpm

ppc:
pidgin-1.5.1-2.el3.ppc.rpm
pidgin-debuginfo-1.5.1-2.el3.ppc.rpm

s390:
pidgin-1.5.1-2.el3.s390.rpm
pidgin-debuginfo-1.5.1-2.el3.s390.rpm

s390x:
pidgin-1.5.1-2.el3.s390x.rpm
pidgin-debuginfo-1.5.1-2.el3.s390x.rpm

x86_64:
pidgin-1.5.1-2.el3.x86_64.rpm
pidgin-debuginfo-1.5.1-2.el3.x86_64.rpm

Red Hat Desktop version 3:

Source:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/pidgin-1.5.1-2.el3.src.rpm

i386:
pidgin-1.5.1-2.el3.i386.rpm
pidgin-debuginfo-1.5.1-2.el3.i386.rpm

x86_64:
pidgin-1.5.1-2.el3.x86_64.rpm
pidgin-debuginfo-1.5.1-2.el3.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

Source:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/pidgin-1.5.1-2.el3.src.rpm

i386:
pidgin-1.5.1-2.el3.i386.rpm
pidgin-debuginfo-1.5.1-2.el3.i386.rpm

ia64:
pidgin-1.5.1-2.el3.ia64.rpm
pidgin-debuginfo-1.5.1-2.el3.ia64.rpm

x86_64:
pidgin-1.5.1-2.el3.x86_64.rpm
pidgin-debuginfo-1.5.1-2.el3.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

Source:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/pidgin-1.5.1-2.el3.src.rpm

i386:
pidgin-1.5.1-2.el3.i386.rpm
pidgin-debuginfo-1.5.1-2.el3.i386.rpm

ia64:
pidgin-1.5.1-2.el3.ia64.rpm
pidgin-debuginfo-1.5.1-2.el3.ia64.rpm

x86_64:
pidgin-1.5.1-2.el3.x86_64.rpm
pidgin-debuginfo-1.5.1-2.el3.x86_64.rpm

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/pidgin-1.5.1-2.el4.src.rpm

i386:
pidgin-1.5.1-2.el4.i386.rpm
pidgin-debuginfo-1.5.1-2.el4.i386.rpm

ia64:
pidgin-1.5.1-2.el4.ia64.rpm
pidgin-debuginfo-1.5.1-2.el4.ia64.rpm

ppc:
pidgin-1.5.1-2.el4.ppc.rpm
pidgin-debuginfo-1.5.1-2.el4.ppc.rpm

s390:
pidgin-1.5.1-2.el4.s390.rpm
pidgin-debuginfo-1.5.1-2.el4.s390.rpm

s390x:
pidgin-1.5.1-2.el4.s390x.rpm
pidgin-debuginfo-1.5.1-2.el4.s390x.rpm

x86_64:
pidgin-1.5.1-2.el4.x86_64.rpm
pidgin-debuginfo-1.5.1-2.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/pidgin-1.5.1-2.el4.src.rpm

i386:
pidgin-1.5.1-2.el4.i386.rpm
pidgin-debuginfo-1.5.1-2.el4.i386.rpm

x86_64:
pidgin-1.5.1-2.el4.x86_64.rpm
pidgin-debuginfo-1.5.1-2.el4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/pidgin-1.5.1-2.el4.src.rpm

i386:
pidgin-1.5.1-2.el4.i386.rpm
pidgin-debuginfo-1.5.1-2.el4.i386.rpm

ia64:
pidgin-1.5.1-2.el4.ia64.rpm
pidgin-debuginfo-1.5.1-2.el4.ia64.rpm

x86_64:
pidgin-1.5.1-2.el4.x86_64.rpm
pidgin-debuginfo-1.5.1-2.el4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/pidgin-1.5.1-2.el4.src.rpm

i386:
pidgin-1.5.1-2.el4.i386.rpm
pidgin-debuginfo-1.5.1-2.el4.i386.rpm

ia64:
pidgin-1.5.1-2.el4.ia64.rpm
pidgin-debuginfo-1.5.1-2.el4.ia64.rpm

x86_64:
pidgin-1.5.1-2.el4.x86_64.rpm
pidgin-debuginfo-1.5.1-2.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/pidgin-2.3.1-2.el5_2.src.rpm

i386:
finch-2.3.1-2.el5_2.i386.rpm
libpurple-2.3.1-2.el5_2.i386.rpm
libpurple-perl-2.3.1-2.el5_2.i386.rpm
libpurple-tcl-2.3.1-2.el5_2.i386.rpm
pidgin-2.3.1-2.el5_2.i386.rpm
pidgin-debuginfo-2.3.1-2.el5_2.i386.rpm
pidgin-perl-2.3.1-2.el5_2.i386.rpm

x86_64:
finch-2.3.1-2.el5_2.i386.rpm
finch-2.3.1-2.el5_2.x86_64.rpm
libpurple-2.3.1-2.el5_2.i386.rpm
libpurple-2.3.1-2.el5_2.x86_64.rpm
libpurple-perl-2.3.1-2.el5_2.x86_64.rpm
libpurple-tcl-2.3.1-2.el5_2.x86_64.rpm
pidgin-2.3.1-2.el5_2.i386.rpm
pidgin-2.3.1-2.el5_2.x86_64.rpm
pidgin-debuginfo-2.3.1-2.el5_2.i386.rpm
pidgin-debuginfo-2.3.1-2.el5_2.x86_64.rpm
pidgin-perl-2.3.1-2.el5_2.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/pidgin-2.3.1-2.el5_2.src.rpm

i386:
finch-devel-2.3.1-2.el5_2.i386.rpm
libpurple-devel-2.3.1-2.el5_2.i386.rpm
pidgin-debuginfo-2.3.1-2.el5_2.i386.rpm
pidgin-devel-2.3.1-2.el5_2.i386.rpm

x86_64:
finch-devel-2.3.1-2.el5_2.i386.rpm
finch-devel-2.3.1-2.el5_2.x86_64.rpm
libpurple-devel-2.3.1-2.el5_2.i386.rpm
libpurple-devel-2.3.1-2.el5_2.x86_64.rpm
pidgin-debuginfo-2.3.1-2.el5_2.i386.rpm
pidgin-debuginfo-2.3.1-2.el5_2.x86_64.rpm
pidgin-devel-2.3.1-2.el5_2.i386.rpm
pidgin-devel-2.3.1-2.el5_2.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/pidgin-2.3.1-2.el5_2.src.rpm

i386:
finch-2.3.1-2.el5_2.i386.rpm
finch-devel-2.3.1-2.el5_2.i386.rpm
libpurple-2.3.1-2.el5_2.i386.rpm
libpurple-devel-2.3.1-2.el5_2.i386.rpm
libpurple-perl-2.3.1-2.el5_2.i386.rpm
libpurple-tcl-2.3.1-2.el5_2.i386.rpm
pidgin-2.3.1-2.el5_2.i386.rpm
pidgin-debuginfo-2.3.1-2.el5_2.i386.rpm
pidgin-devel-2.3.1-2.el5_2.i386.rpm
pidgin-perl-2.3.1-2.el5_2.i386.rpm

x86_64:
finch-2.3.1-2.el5_2.i386.rpm
finch-2.3.1-2.el5_2.x86_64.rpm
finch-devel-2.3.1-2.el5_2.i386.rpm
finch-devel-2.3.1-2.el5_2.x86_64.rpm
libpurple-2.3.1-2.el5_2.i386.rpm
libpurple-2.3.1-2.el5_2.x86_64.rpm
libpurple-devel-2.3.1-2.el5_2.i386.rpm
libpurple-devel-2.3.1-2.el5_2.x86_64.rpm
libpurple-perl-2.3.1-2.el5_2.x86_64.rpm
libpurple-tcl-2.3.1-2.el5_2.x86_64.rpm
pidgin-2.3.1-2.el5_2.i386.rpm
pidgin-2.3.1-2.el5_2.x86_64.rpm
pidgin-debuginfo-2.3.1-2.el5_2.i386.rpm
pidgin-debuginfo-2.3.1-2.el5_2.x86_64.rpm
pidgin-devel-2.3.1-2.el5_2.i386.rpm
pidgin-devel-2.3.1-2.el5_2.x86_64.rpm
pidgin-perl-2.3.1-2.el5_2.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://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2927
http://www.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2008 Red Hat, Inc.
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