Ubuntu 11.04 / 11.10 : mozvoikko, ubufox update (USN-1306-2)
Critical Nessus Plugin ID 57458
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionUSN-1306-1 fixed vulnerabilities in Firefox. This update provides updated Mozvoikko and ubufox packages for use with Firefox 9.
Alexandre Poirot, Chris Blizzard, Kyle Huey, Scoobidiver, Christian Holler, David Baron, Gary Kwong, Jim Blandy, Bob Clary, Jesse Ruderman, Marcia Knous, and Rober Longson discovered several memory safety issues which could possibly be exploited to crash Firefox or execute arbitrary code as the user that invoked Firefox.
It was discovered that a flaw in the Mozilla SVG implementation could result in an out-of-bounds memory access if SVG elements were removed during a DOMAttrModified event handler. An attacker could potentially exploit this vulnerability to crash Firefox. (CVE-2011-3658)
It was discovered that it was possible to crash Firefox when scaling an OGG <video> element to extreme sizes.
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected xul-ext-mozvoikko and / or xul-ext-ubufox packages.