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Vulnerability record · CVE-2015-5073 · published 13 December 2016

CVE-2015-5073: Ibm powerkvm memory buffer overflow vulnerability

Ibm · Powerkvm

Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from heap memory and possibly bypass the ASLR protection mechanism via a crafted regular expression with an excess closing parenthesis.

9.1 CVSS 3.0 Critical EPSS 7.7% · top 5.6% CWE-119 · Memory buffer overflowCWE-200 · Information exposure
9.1CVSS 3.0 base score, v2 6.4
7.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
26References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from heap memory and possibly bypass the ASLR protection mechanism via a crafted regular expression with an excess closing parenthesis.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

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?revision=1609&view=markup Vendor Advisory
http://vcs.pcre.org/pcre?view=revision&revision=1571 ExploitVendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/26/1 Mailing List
http://www.openwall.com/lists/oss-security/2015/06/26/3 Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/75430 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033154 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2016:1132
https://bugs.exim.org/show_bug.cgi?id=1651 Exploit
https://security.gentoo.org/glsa/201607-02
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?revision=1609&view=markup Vendor Advisory
http://vcs.pcre.org/pcre?view=revision&revision=1571 ExploitVendor Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886 Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/26/1 Mailing List
http://www.openwall.com/lists/oss-security/2015/06/26/3 Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/75430 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033154 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2016:1132
https://bugs.exim.org/show_bug.cgi?id=1651 Exploit
https://security.gentoo.org/glsa/201607-02

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2015-5073), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.