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libpng Potential Denial of Service Vulnerability Advisory Available in Danish 

Secunia Advisory: SA11505  
Release Date: 2004-04-30
Last Update: 2004-10-25

Critical:
Less critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:libpng 1.x

CVE reference:CVE-2004-0421 (Secunia mirror)

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Description:
Steve Grubb has reported a vulnerability in libpng, potentially allowing malicious people to cause a Denial of Service against applications and services using libpng.

The problem is that libpng accesses out of bounds memory when creating error messages. This can be exploited to crash certain applications via malformed png image files.

Solution:
Update to version 1.0.17 or 1.2.7.
http://www.libpng.org/pub/png/libpng.html

Provided and/or discovered by:
Steve Grubb

Changelog:
2004-10-25: Updated "Solution" section.



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

8 Related Secunia Security Advisories

1. libpng Unknown Chunk Processing Uninitialized Memory Access
2. libpng ICC Profile Chunk Denial of Service Vulnerability
3. libpng Multiple Denial of Service Vulnerabilities
4. libpng tRNS Chunk Denial of Service
5. libpng sPLT Chunk Handling Denial of Service
6. libpng "png_set_strip_alpha()" Buffer Overflow Vulnerability
7. libpng Integer Overflow and Buffer Overflow Vulnerabilities
8. libpng Multiple Vulnerabilities


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