Security update for MozillaFirefox (important)

MozillaFirefox was updated to the 31.5.3ESR release to fix two security
vulnerabilities:

MFSA 2015-29 / CVE-2015-0817: Security researcher ilxu1a reported, through
HP Zero Day Initiative’s Pwn2Own contest, a flaw in Mozilla’s
implementation of typed array bounds checking in JavaScript just-in-time
compilation (JIT) and its management of bounds checking for heap access.
This flaw can be leveraged into the reading and writing of memory allowing
for arbitary code execution on the local system.

MFSA 2015-28 / CVE-2015-0818: Security researcher Mariusz Mlynski
reported, through HP Zero Day Initiative’s Pwn2Own contest, a method to
run arbitrary scripts in a privileged context. This bypassed the
same-origin policy protections by using a flaw in the processing of SVG
format content navigation.