It was discovered that KDE-Libs did not properly handle certain malformed SVG images. If a user were tricked into opening a specially crafted SVG image, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 9.04. It was discovered that the KDE JavaScript garbage collector did not properly handle memory allocation failures. If a user were tricked into viewing a malicious website, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. It was discovered that KDE-Libs did not properly handle HTML content in the head element. If a user were tricked into viewing a malicious website, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. It was discovered that KDE-Libs did not properly handle the Cascading Style Sheets attr function call. If a user were tricked into viewing a malicious website, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program