PCRE before 8.36 mishandles the /((?(R)a|(?1)))+/ pattern and related patterns with certain recursion, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- https://github.com/ARPSyndicate/cvemon
- https://github.com/RedHatSatellite/satellite-host-cve
- https://github.com/fokypoky/places-list