PHP Exif_Process_User_Comment Null Pointer Dereference (CVE-2016-6292)

A denial of service vulnerability exists in the Exif module of PHP. The vulnerability is due to a null pointer dereference in exifprocessusercomment when trying to handle JIS encoded user comment Exif tags when multi-byte string support is enabled in PHP. A remote, unauthenticated attacker can...