CVE-2015-2328

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2015-12-02 · updated 2026-06-17
Weakness: CWE-19

Description

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.

Affected products

Oracle Corporation Oracle Linux: 7
Pcre: through 8.35

References

http://rhn.redhat.com/errata/RHSA-2016-1025.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
http://www.fortiguard.com/advisory/FG-VD-15-014/
http://www.openwall.com/lists/oss-security/2015/11/29/1
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/74924
https://bugs.exim.org/show_bug.cgi?id=1515
https://jira.mongodb.org/browse/SERVER-17252
http://rhn.redhat.com/errata/RHSA-2016-1025.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html

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