Packages
- libpng - PNG (Portable Network Graphics) file library
Details
It was discovered that libpng did not properly verify the embedded profile
length of iCCP chunks. An attacker could exploit this to cause a denial of
service via application crash. This issue only affected Ubuntu 8.04 LTS.
(CVE-2009-5063)
Jueri Aedla discovered that libpng did not properly verify the size used
when allocating memory during chunk decompression. 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. (CVE-2011-3026)
It was discovered that libpng did not properly verify the embedded profile
length of iCCP chunks. An attacker could exploit this to cause a denial of
service via application crash. This issue only affected Ubuntu 8.04 LTS.
(CVE-2009-5063)
Jueri Aedla discovered that libpng did not properly verify the size used
when allocating memory during chunk decompression. 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. (CVE-2011-3026)
Update instructions
After a standard system update you need to restart your session to make all 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 | ||
|---|---|---|---|
| 8.04 hardy | libpng12-0 – 1.2.15~beta5-3ubuntu0.5 | ||
| 11.10 oneiric | libpng12-0 – 1.2.46-3ubuntu1.1 | ||
| 11.04 natty | libpng12-0 – 1.2.44-1ubuntu3.2 | ||
| 10.10 maverick | libpng12-0 – 1.2.44-1ubuntu0.2 | ||
| 10.04 lucid | libpng12-0 – 1.2.42-1ubuntu2.3 | ||
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