Mozilla: Buffer overflow while parsing application/http-index-format content (MFSA 2017-11, MFSA 2017-12)

A buffer overflow vulnerability while parsing "application/http-index-format" format content when the header contains improperly formatted data. This allows for an out-of-bounds read of data from memory. This vulnerability affects Thunderbird 52.1, Firefox ESR 45.9, Firefox ESR 52.1, and Firefox ...