Ubuntu Security Notice 930-6 - USN-957-1 fixed vulnerabilities in Firefox and Xulrunner. Daniel Holbert discovered that the fix for CVE-2010-1214 introduced a regression which did not properly initialize a plugin pointer. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash the browser or run arbitrary code as the user invoking the program. This update fixes the problem.
324692d14b04636308087c2f0b7a0216