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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Red Hat Local Security Checks >> RHSA-2002-152: libpng Vulnerability Assessment Details
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RHSA-2002-152: libpng |
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Check for the version of the libpng packages Detailed Explanation for this Vulnerability Assessment Updated libpng packages are available that fix a buffer overflow vulnerability. The libpng package contains a library of functions for creating and manipulating PNG (Portable Network Graphics) image format files. PNG is a bit-mapped graphics format similar to the GIF format. Versions of libpng prior to 1.0.14 contain a buffer overflow in the progressive reader when the PNG datastream contains more IDAT data than indicated by the IHDR chunk. Such deliberately malformed datastreams would crash applications linked to libpng such as Mozilla that use the progressive reading feature. Packages within Red Hat Linux Advanced Server , such as Mozilla, make use of the shared libpng library, therefore all users are advised to upgrade to the errata packages which contain libpng 1.0.14. Libpng 1.0.14 is not vulnerable to this issue and contains fixes for other bugs including a number of memory leaks. Solution : http://rhn.redhat.com/errata/RHSA-2002-152.html Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security |
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