Vulnerability Details CVE-2015-2327
PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.06
EPSS Ranking 90.3%
CVSS Severity
CVSS v2 Score 7.5
References
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
- http://www.fortiguard.com/advisory/FG-VD-15-010/
- http://www.openwall.com/lists/oss-security/2015/11/29/1
- http://www.securityfocus.com/bid/74924
- https://bugs.exim.org/show_bug.cgi?id=1503
- https://jira.mongodb.org/browse/SERVER-17252
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
- http://www.fortiguard.com/advisory/FG-VD-15-010/
- http://www.openwall.com/lists/oss-security/2015/11/29/1
- http://www.securityfocus.com/bid/74924
- https://bugs.exim.org/show_bug.cgi?id=1503
- https://jira.mongodb.org/browse/SERVER-17252
Products affected by CVE-2015-2327
-
cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*