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Vulnerability record · CVE-2015-2328 · published 2 December 2015

CVE-2015-2328: Oracle linux vulnerability

Oracle · Linux

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.

7.5 CVSS 2.0 High EPSS 5.2% · top 7.8% CWE-19 · CWE-19
7.5CVSS 2.0 base score
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
20References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Exploit
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
http://www.fortiguard.com/advisory/FG-VD-15-014/ Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/11/29/1 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html Third Party Advisory
http://www.securityfocus.com/bid/74924
https://bugs.exim.org/show_bug.cgi?id=1515 Exploit
https://jira.mongodb.org/browse/SERVER-17252 Third Party Advisory
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 Exploit
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
http://www.fortiguard.com/advisory/FG-VD-15-014/ Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/11/29/1 Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html Third Party Advisory
http://www.securityfocus.com/bid/74924
https://bugs.exim.org/show_bug.cgi?id=1515 Exploit
https://jira.mongodb.org/browse/SERVER-17252 Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-2328), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.