Unscored severity · published Dec 2, 2015
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…
–
CVSS
4%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)4.0% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Perl Compatible Regular Expression Library · Pcre
through 8.35 · source: NVD
Affected product
PC
Perl Compatible Regular Expression Library
Pcre
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-2327
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-2327
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Exploit
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
www.fortiguard.com
http://www.fortiguard.com/advisory/FG-VD-15-010/
www.openwall.com
http://www.openwall.com/lists/oss-security/2015/11/29/1
www.securityfocus.com
http://www.securityfocus.com/bid/74924
Exploit
https://bugs.exim.org/show_bug.cgi?id=1503
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