Drew Yao discovered that libxml2 did not correctly handle certain corrupt XML documents. If a user or automated system were tricked into processing a malicious XML document, a remote attacker could cause applications linked against libxml2 to enter an infinite loop, leading to a denial of service. (CVE-2008-4225)
Drew Yao discovered that libxml2 did not correctly handle large memory allocations. If a user or automated system were tricked into processing a very large XML document, a remote attacker could cause applications linked against libxml2 to crash, leading to a denial of service. (CVE-2008-4226)
19 November 2008
A security issue affects these releases of Ubuntu and its derivatives:
Drew Yao discovered that libxml2 did not correctly handle certain corrupt XML documents. If a user or automated system were tricked into processing a malicious XML document, a remote attacker could cause applications linked against libxml2 to enter an infinite loop, leading to a denial of service. (CVE-2008-4225)
Drew Yao discovered that libxml2 did not correctly handle large memory allocations. If a user or automated system were tricked into processing a very large XML document, a remote attacker could cause applications linked against libxml2 to crash, leading to a denial of service. (CVE-2008-4226)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart your sessions to effect the necessary changes.
Vulmon