USN-1417-1: libpng vulnerability

5 April 2012

libpng could be made to crash or run programs as your login if it opened a specially crafted file.

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Releases

Packages

  • libpng - PNG (Portable Network Graphics) file library

Details

It was discovered that libpng incorrectly handled certain memory
operations. If a user or automated system using libpng were tricked into
opening a specially crafted image, an attacker could exploit this to cause
a denial of service or execute code with the privileges of the user
invoking the program.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 8.04
Ubuntu 11.10
Ubuntu 11.04
Ubuntu 10.10
Ubuntu 10.04

After a standard system update you need to restart your session to make
all the necessary changes.

References

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Further reading