RHEL 4 / 5 / 6 : libpng (RHSA-2012:0317)

High Nessus Plugin ID 58068


The remote Red Hat host is missing one or more security updates.


Updated libpng and libpng10 packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 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.

The libpng packages contain a library of functions for creating and manipulating PNG (Portable Network Graphics) image format files.

A heap-based buffer overflow flaw was found in libpng. An attacker could create a specially crafted PNG image that, when opened, could cause an application using libpng to crash or, possibly, execute arbitrary code with the privileges of the user running the application. (CVE-2011-3026)

Users of libpng and libpng10 should upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications using libpng or libpng10 must be restarted for the update to take effect.


Update the affected packages.

See Also



Plugin Details

Severity: High

ID: 58068

File Name: redhat-RHSA-2012-0317.nasl

Version: $Revision: 1.10 $

Type: local

Agent: unix

Published: 2012/02/21

Modified: 2017/01/05

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libpng, p-cpe:/a:redhat:enterprise_linux:libpng-debuginfo, p-cpe:/a:redhat:enterprise_linux:libpng-devel, p-cpe:/a:redhat:enterprise_linux:libpng-static, p-cpe:/a:redhat:enterprise_linux:libpng10, p-cpe:/a:redhat:enterprise_linux:libpng10-devel, cpe:/o:redhat:enterprise_linux:4, cpe:/o:redhat:enterprise_linux:5, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.2

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Patch Publication Date: 2012/02/20

Reference Information

CVE: CVE-2011-3026

OSVDB: 79294

RHSA: 2012:0317