Ubuntu Security Notice 1729-2 - USN-1729-1 fixed vulnerabilities in Firefox. This update introduced a regression which sometimes resulted in freezes and crashes when using multiple tabs with images displayed. This update fixes the problem. Olli Pettay, Christoph Diehl, Gary Kwong, Jesse Ruderman, Andrew McCreight, Joe Drew, Wayne Mery, Alon Zakai, Christian Holler, Gary Kwong, Luke Wagner, Terrence Cole, Timothy Nikkel, Bill McCloskey, and Nicolas Pierron discovered multiple memory safety issues affecting Firefox. If the user were tricked into opening a specially crafted page, an attacker could possibly exploit these to cause a denial of service via application crash. Various other issues were also addressed.
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