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libpng Multiple Vulnerabilities
Secunia Advisory: SA12219
Release Date: 2004-08-05
Last Update: 2004-08-16
Popularity: 38,597 views

Critical:
Highly critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:libpng 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Chris Evans has discovered multiple vulnerabilities in libpng, which can be exploited by malicious people to compromise a vulnerable system or cause a DoS (Denial of Service).

The vulnerabilities are caused due to NULL pointer dereference errors and boundary errors within various functions when processing PNG files. Some of these can be exploited to cause stack-based buffer overflows via specially crafted PNG files.

The vulnerabilities can e.g. be exploited by tricking a user into visiting a malicious website or view a malicious email with an affected application linked to libpng.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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