Vulnerability record · CVE-2015-3210 · published 13 December 2016

CVE-2015-3210: Pcre2 out-of-bounds write vulnerability

Pcre · Pcre2

Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote attackers to execute arbitrary code via a crafted regular expression, as demonstrated by /^(?P=B)((?P=B)(?J:(?P<B>c)(?P<B>a(?P=B)))>WGXCREDITS)/, a different vulnerability than CVE-2015-8384.

9.8 CVSS 3.1 Critical EPSS 9.2% · top 4.8% CWE-787 · Out-of-bounds write

9.8CVSS 3.1 base score, v2 7.5

9.2%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

12References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

Pcre Pcre

Pcre2 Pcre

References

Link	Tags
http://rhn.redhat.com/errata/RHSA-2016-2750.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/01/7	Mailing List
http://www.openwall.com/lists/oss-security/2015/12/02/11	Mailing List
http://www.securityfocus.com/bid/74934	Broken LinkThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2016:1132	Third Party Advisory
https://bugs.exim.org/show_bug.cgi?id=1636	ExploitIssue TrackingVendor Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/01/7	Mailing List
http://www.openwall.com/lists/oss-security/2015/12/02/11	Mailing List
http://www.securityfocus.com/bid/74934	Broken LinkThird Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2016:1132	Third Party Advisory
https://bugs.exim.org/show_bug.cgi?id=1636	ExploitIssue TrackingVendor Advisory

Track CVE-2015-3210 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2017-8786Pcre2 memory buffer overflow vulnerabilitypcre2test.c in PCRE2 10.23 allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impac…EPSS 4.1%5 May 2017 9.8CVE-2017-8399Pcre2 memory buffer overflow vulnerabilityPCRE2 before 10.30 has an out-of-bounds write caused by a stack-based buffer overflow in pcre2_match.c, related to a "pattern with very many captures…EPSS 3.1%1 May 2017 9.8CVE-2016-3191Pcre memory buffer overflow vulnerabilityThe compile_branch function in pcre_compile.c in PCRE 8.x before 8.39 and pcre2_compile.c in PCRE2 before 10.22 mishandles patterns containing an (*A…EPSS 8.4%17 Mar 2016 9.8CVE-2016-1283Pcre memory buffer overflow vulnerabilityThe pcre_compile2 function in pcre_compile.c in PCRE 8.38 mishandles the /((?:F?+(?:^(?(R)a+\"){99}-))(?J)(?'R'(?'R'<((?'RR'(?'R'\){97)?J)?J)(?'R'(?'…EPSS 7.8%3 Jan 2016 9.8CVE-2015-8391Pcre memory buffer overflow vulnerabilityThe pcre_compile function in pcre_compile.c in PCRE before 8.38 mishandles certain [: nesting, which allows remote attackers to cause a denial of ser…EPSS 6.4%2 Dec 2015 9.1CVE-2022-1586Pcre2 out-of-bounds read vulnerabilityAn out-of-bounds read vulnerability was discovered in the PCRE2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file…EPSS 3.4%16 May 2022 9.1CVE-2022-1587Pcre2 out-of-bounds read vulnerabilityAn out-of-bounds read vulnerability was discovered in the PCRE2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file. Th…EPSS 2.8%16 May 2022 9.1CVE-2015-5073Ibm powerkvm memory buffer overflow vulnerabilityHeap-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 servic…EPSS 7.7%13 Dec 2016

Source: NIST National Vulnerability Database (record CVE-2015-3210), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.