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USN-960-1: libpng vulnerabilities

8 July 2010

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Releases

Packages

Details

It was discovered that libpng did not properly handle certain malformed PNG
images. If a user or automated system were tricked into opening a crafted
PNG file, an attacker could cause a denial of service or possibly execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2010-1205)

It was discovered that libpng did not properly handle certain malformed PNG
images. If a user or automated system were tricked into processing a
crafted PNG image, an attacker could possibly use this flaw to consume all
available resources, resulting in a denial of service. (CVE-2010-2249)

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 9.10
Ubuntu 9.04
Ubuntu 8.04
Ubuntu 6.06
Ubuntu 10.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

Related notices

  • USN-957-1: firefox, xulrunner-1.9.2, firefox-3.0, abrowser
  • USN-930-4: xulrunner-1.9.2, firefox-3.5, firefox-3.0, abrowser
  • USN-958-1: thunderbird