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CVE-2015-3217 Details

Description

PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://rhn.redhat.com/errata/RHSA-2016-1025.html	CVE
http://rhn.redhat.com/errata/RHSA-2016-2750.html	CVE
https://access.redhat.com/errata/RHSA-2016:1132	CVE
https://bugs.exim.org/show_bug.cgi?id=1638	CVE	ExploitIssue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1228283	CVE	Issue Tracking
http://vcs.pcre.org/pcre?view=revision&revision=1566	CVE	Patch
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886	CVE	Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/03/7	CVE	Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html	CVE
http://www.securityfocus.com/bid/75018	CVE	Third Party AdvisoryVDB Entry
http://rhn.redhat.com/errata/RHSA-2016-1025.html	[email protected]
http://rhn.redhat.com/errata/RHSA-2016-2750.html	[email protected]
https://access.redhat.com/errata/RHSA-2016:1132	[email protected]
https://bugs.exim.org/show_bug.cgi?id=1638	[email protected]	ExploitIssue TrackingVendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1228283	[email protected]	Issue Tracking
http://vcs.pcre.org/pcre?view=revision&revision=1566	[email protected]	Patch
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886	[email protected]	Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/06/03/7	[email protected]	Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html	[email protected]
http://www.securityfocus.com/bid/75018	[email protected]	Third Party AdvisoryVDB Entry

see all 20 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]

Affected Products

Product	Versions
pcre pcre2	10.10
CPE cpe:2.3:a:pcre:pcre2:10.10:::::::* Remediation No remediation found in references.
pcre pcre	7.8 8.32 8.33 8.34 8.35
CPE cpe:2.3:a:pcre:pcre:7.8:::::::* cpe:2.3:a:pcre:pcre:8.32:::::::* cpe:2.3:a:pcre:pcre:8.33:::::::* cpe:2.3:a:pcre:pcre:8.34:::::::* cpe:2.3:a:pcre:pcre:8.35:::::::* cpe:2.3:a:pcre:pcre:8.36:::::::* cpe:2.3:a:pcre:pcre:8.37:::::::* Remediation No remediation found in references.
ibm powerkvm	2.1 3.1
CPE cpe:2.3:a:ibm:powerkvm:2.1:::::::* cpe:2.3:a:ibm:powerkvm:3.1:::::::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
May 18, 2018	CVE Modified	[email protected]
Jan 5, 2018	CVE Modified	[email protected]
Dec 15, 2016	Initial Analysis	[email protected]

CVE-2015-3217 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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