-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: libXfont security update Advisory ID: RHSA-2011:1154-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1154.html Issue date: 2011-08-11 CVE Names: CVE-2011-2895 ===================================================================== 1. Summary: Updated libXfont 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 important 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 libXfont packages provide the X.Org libXfont runtime library. X.Org is an open source implementation of the X Window System. A buffer overflow flaw was found in the way the libXfont library, used by the X.Org server, handled malformed font files compressed using UNIX compress. A malicious, local user could exploit this issue to potentially execute arbitrary code with the privileges of the X.Org server. (CVE-2011-2895) Users of libXfont should upgrade to these updated packages, which contain a backported patch to resolve this issue. All running X.Org server instances must be restarted for the 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/kb/docs/DOC-11259 5. Bugs fixed (http://bugzilla.redhat.com/): 725760 - CVE-2011-2895 libXfont: LZW decompression heap corruption / infinite loop 727624 - CVE-2011-2895 BSD compress LZW decoder buffer overflow 6. Package List: Red Hat Enterprise Linux Desktop (v. 5 client): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libXfont-1.2.2-1.0.4.el5_7.src.rpm i386: libXfont-1.2.2-1.0.4.el5_7.i386.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.i386.rpm x86_64: libXfont-1.2.2-1.0.4.el5_7.i386.rpm libXfont-1.2.2-1.0.4.el5_7.x86_64.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.i386.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.x86_64.rpm RHEL Desktop Workstation (v. 5 client): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/libXfont-1.2.2-1.0.4.el5_7.src.rpm i386: libXfont-debuginfo-1.2.2-1.0.4.el5_7.i386.rpm libXfont-devel-1.2.2-1.0.4.el5_7.i386.rpm x86_64: libXfont-debuginfo-1.2.2-1.0.4.el5_7.i386.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.x86_64.rpm libXfont-devel-1.2.2-1.0.4.el5_7.i386.rpm libXfont-devel-1.2.2-1.0.4.el5_7.x86_64.rpm Red Hat Enterprise Linux (v. 5 server): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/libXfont-1.2.2-1.0.4.el5_7.src.rpm i386: libXfont-1.2.2-1.0.4.el5_7.i386.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.i386.rpm libXfont-devel-1.2.2-1.0.4.el5_7.i386.rpm ia64: libXfont-1.2.2-1.0.4.el5_7.ia64.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.ia64.rpm libXfont-devel-1.2.2-1.0.4.el5_7.ia64.rpm ppc: libXfont-1.2.2-1.0.4.el5_7.ppc.rpm libXfont-1.2.2-1.0.4.el5_7.ppc64.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.ppc.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.ppc64.rpm libXfont-devel-1.2.2-1.0.4.el5_7.ppc.rpm libXfont-devel-1.2.2-1.0.4.el5_7.ppc64.rpm s390x: libXfont-1.2.2-1.0.4.el5_7.s390.rpm libXfont-1.2.2-1.0.4.el5_7.s390x.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.s390.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.s390x.rpm libXfont-devel-1.2.2-1.0.4.el5_7.s390.rpm libXfont-devel-1.2.2-1.0.4.el5_7.s390x.rpm x86_64: libXfont-1.2.2-1.0.4.el5_7.i386.rpm libXfont-1.2.2-1.0.4.el5_7.x86_64.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.i386.rpm libXfont-debuginfo-1.2.2-1.0.4.el5_7.x86_64.rpm libXfont-devel-1.2.2-1.0.4.el5_7.i386.rpm libXfont-devel-1.2.2-1.0.4.el5_7.x86_64.rpm Red Hat Enterprise Linux Desktop (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libXfont-1.4.1-2.el6_1.src.rpm i386: libXfont-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm x86_64: libXfont-1.4.1-2.el6_1.x86_64.rpm libXfont-debuginfo-1.4.1-2.el6_1.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/libXfont-1.4.1-2.el6_1.src.rpm i386: libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm libXfont-devel-1.4.1-2.el6_1.i686.rpm x86_64: libXfont-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.x86_64.rpm libXfont-devel-1.4.1-2.el6_1.i686.rpm libXfont-devel-1.4.1-2.el6_1.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libXfont-1.4.1-2.el6_1.src.rpm x86_64: libXfont-1.4.1-2.el6_1.x86_64.rpm libXfont-debuginfo-1.4.1-2.el6_1.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/libXfont-1.4.1-2.el6_1.src.rpm x86_64: libXfont-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.x86_64.rpm libXfont-devel-1.4.1-2.el6_1.i686.rpm libXfont-devel-1.4.1-2.el6_1.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libXfont-1.4.1-2.el6_1.src.rpm i386: libXfont-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm ppc64: libXfont-1.4.1-2.el6_1.ppc64.rpm libXfont-debuginfo-1.4.1-2.el6_1.ppc64.rpm s390x: libXfont-1.4.1-2.el6_1.s390x.rpm libXfont-debuginfo-1.4.1-2.el6_1.s390x.rpm x86_64: libXfont-1.4.1-2.el6_1.x86_64.rpm libXfont-debuginfo-1.4.1-2.el6_1.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/libXfont-1.4.1-2.el6_1.src.rpm i386: libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm libXfont-devel-1.4.1-2.el6_1.i686.rpm ppc64: libXfont-1.4.1-2.el6_1.ppc.rpm libXfont-debuginfo-1.4.1-2.el6_1.ppc.rpm libXfont-debuginfo-1.4.1-2.el6_1.ppc64.rpm libXfont-devel-1.4.1-2.el6_1.ppc.rpm libXfont-devel-1.4.1-2.el6_1.ppc64.rpm s390x: libXfont-1.4.1-2.el6_1.s390.rpm libXfont-debuginfo-1.4.1-2.el6_1.s390.rpm libXfont-debuginfo-1.4.1-2.el6_1.s390x.rpm libXfont-devel-1.4.1-2.el6_1.s390.rpm libXfont-devel-1.4.1-2.el6_1.s390x.rpm x86_64: libXfont-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.x86_64.rpm libXfont-devel-1.4.1-2.el6_1.i686.rpm libXfont-devel-1.4.1-2.el6_1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libXfont-1.4.1-2.el6_1.src.rpm i386: libXfont-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm x86_64: libXfont-1.4.1-2.el6_1.x86_64.rpm libXfont-debuginfo-1.4.1-2.el6_1.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): Source: ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/libXfont-1.4.1-2.el6_1.src.rpm i386: libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm libXfont-devel-1.4.1-2.el6_1.i686.rpm x86_64: libXfont-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.i686.rpm libXfont-debuginfo-1.4.1-2.el6_1.x86_64.rpm libXfont-devel-1.4.1-2.el6_1.i686.rpm libXfont-devel-1.4.1-2.el6_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-2011-2895.html https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2011 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFORFBdXlSAg2UNWIIRAhZZAKCAVD1k1ZMYDVf4KLQumzdnOfEAsQCgjTUZ VxhOKK1Z7ztEDSWDPL0pKd8= =hbkx -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce