CVE-2017-9226: Out-of-bounds Write

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A heap out-of-bounds write or read occurs in nextstateval during regular expression compilation. Octal numbers larger than 0xff are not handled correctly in fetchtoken and...