Ubuntu Security Notice 2009-1 – Multiple memory safety issues were discovered in Firefox. If a user were tricked in to opening a specially crafted page, an attacker could possibly exploit these to cause a denial of service via application crash, or potentially execute arbitrary code with the privileges of the user invoking Firefox. Jordi Chancel discovered that HTML select elements could display arbitrary content. An attacker could potentially exploit this to conduct URL spoofing or clickjacking attacks Various other issues were also addressed…. Ubuntu Security Notice 2009-1 – Multiple memory safety issues were discovered in Firefox. If a user were tricked in to opening a specially crafted page, an attacker could possibly exploit these to cause a denial of service via application crash, or potentially execute arbitrary code with the privileges of the user invoking Firefox. Jordi Chancel discovered that HTML select elements could display arbitrary content. An attacker could potentially exploit this to conduct URL spoofing or clickjacking attacks Various other issues were also addressed.

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