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Red Hat Enterprise Linux 4: Firefox Critical Memory Flaw RHSA-2012:0142-01 CVE-2011-3026

red hat
Calendar Grey February 16, 2012
Scroller Redhat
Essential Firefox update for Red Hat Enterprise Linux 4 fixes a severe buffer overflow flaw that poses significant risks.
An updated firefox package that fixes one security issue is now available for Red Hat Enterprise Linux 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

Summary

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.

Topics%20covered

Topics Covered

security advisory security issue Red Hat buffer overflow critical Firefox

References

https://access.redhat.com/security/cve/CVE-2011-3026 https://access.redhat.com/security/updates/classification#critical

Package List

Red Hat Enterprise Linux AS version 4:
Source:
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:
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:
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:
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


Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2012:0142-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2012:0142.html
Issue date: 2012-02-16

Topic

An updated firefox package that fixes one security issue is now availablefor Red Hat Enterprise Linux 4.The Red Hat Security Response Team has rated this update as having criticalsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available from the CVE link inthe References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat buffer overflow critical Firefox

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

Bugs Fixed

790737 - CVE-2011-3026 libpng: Heap-buffer-overflow in png_decompress_chunk

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