1. Ubuntu Security Notices
  2. USN-538-1

USN-538-1: libpng vulnerabilities

Publication date

25 October 2007

Overview

libpng vulnerabilities

Releases

Packages

Details

It was discovered that libpng did not properly perform bounds checking
and comparisons in certain operations. An attacker could send a specially
crafted PNG image and cause a denial of service in applications linked
against libpng.

It was discovered that libpng did not properly perform bounds checking
and comparisons in certain operations. An attacker could send a specially
crafted PNG image and cause a denial of service in applications linked
against libpng.

Update instructions

After a standard system upgrade you need to reboot your computer to effect the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
7.10 gutsy libpng12-0 –  1.2.15~beta5-2ubuntu0.1
7.04 feisty libpng12-0 –  1.2.15~beta5-1ubuntu1.1
6.10 edgy libpng12-0 –  1.2.8rel-5.1ubuntu0.3
6.06 dapper libpng12-0 –  1.2.8rel-5ubuntu0.3

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References

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