-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Critical: firefox security update Advisory ID: RHSA-2012:0142-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0142.html Issue date: 2012-02-16 CVE Names: CVE-2011-3026 ===================================================================== 1. Summary: An updated firefox package that fixes one security issue is now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having critical 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: 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 3. Description: Mozilla Firefox is an open source web browser. A heap-based buffer overflow flaw was found in the way Firefox handled PNG (Portable Network Graphics) images. A web page containing a malicious PNG image could cause Firefox to crash or, possibly, execute arbitrary code with the privileges of the user running Firefox. (CVE-2011-3026) All Firefox users should upgrade to this updated package, which corrects this issue. After installing the update, Firefox must be restarted for the changes 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/): 790737 - CVE-2011-3026 libpng: Heap-buffer-overflow in png_decompress_chunk 6. Package List: Red Hat Enterprise Linux AS version 4: Source: ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/firefox-3.6.26-3.el4.src.rpm i386: firefox-3.6.26-3.el4.i386.rpm firefox-debuginfo-3.6.26-3.el4.i386.rpm ia64: firefox-3.6.26-3.el4.ia64.rpm firefox-debuginfo-3.6.26-3.el4.ia64.rpm ppc: firefox-3.6.26-3.el4.ppc.rpm firefox-debuginfo-3.6.26-3.el4.ppc.rpm s390: firefox-3.6.26-3.el4.s390.rpm firefox-debuginfo-3.6.26-3.el4.s390.rpm s390x: firefox-3.6.26-3.el4.s390x.rpm firefox-debuginfo-3.6.26-3.el4.s390x.rpm x86_64: firefox-3.6.26-3.el4.x86_64.rpm firefox-debuginfo-3.6.26-3.el4.x86_64.rpm Red Hat Enterprise Linux Desktop version 4: Source: ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/firefox-3.6.26-3.el4.src.rpm i386: firefox-3.6.26-3.el4.i386.rpm firefox-debuginfo-3.6.26-3.el4.i386.rpm x86_64: firefox-3.6.26-3.el4.x86_64.rpm firefox-debuginfo-3.6.26-3.el4.x86_64.rpm Red Hat Enterprise Linux ES version 4: Source: ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/firefox-3.6.26-3.el4.src.rpm i386: firefox-3.6.26-3.el4.i386.rpm firefox-debuginfo-3.6.26-3.el4.i386.rpm ia64: firefox-3.6.26-3.el4.ia64.rpm firefox-debuginfo-3.6.26-3.el4.ia64.rpm x86_64: firefox-3.6.26-3.el4.x86_64.rpm firefox-debuginfo-3.6.26-3.el4.x86_64.rpm Red Hat Enterprise Linux WS version 4: Source: ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/firefox-3.6.26-3.el4.src.rpm i386: firefox-3.6.26-3.el4.i386.rpm firefox-debuginfo-3.6.26-3.el4.i386.rpm ia64: firefox-3.6.26-3.el4.ia64.rpm firefox-debuginfo-3.6.26-3.el4.ia64.rpm x86_64: firefox-3.6.26-3.el4.x86_64.rpm firefox-debuginfo-3.6.26-3.el4.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-2011-3026.html https://access.redhat.com/security/updates/classification/#critical 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2012 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFPPVd/XlSAg2UNWIIRAo3eAJ9slN5trVLVtwqJv3ci4mo0Np9JFACgrw9X PBGGaRmPHj+nqbTT3XvCggY= =QZ11 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce