Mozilla: Out-of-bounds read in HTML parser following a failed allocation (MFSA 2016-34)

The nsScannerString::AppendUnicodeTo function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 does not verify that memory allocation succeeds, which allows remote attackers to execute arbitrary code or cause a denial of service out-of-bounds read via crafted Unicode data in an HTM...