Description
PCRE before 8.38 mishandles the /(?|(\k'Pm')|(?'Pm'))/ pattern and related patterns with certain forward references, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Metrics
CVSS 2.0 7.5/10
AV:N/AC:L/Au:N/C:P/I:P/A:PWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Dec 2, 2015
- Last modified
- Jun 17, 2026
- NVD status
- Modified