CVE-2015-3217
Summary
| CVE | CVE-2015-3217 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-12-13 16:59:02 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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_])?)+)+$/. |
Risk And Classification
Primary CVSS: v3.0 7.5 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.008610000 probability, percentile 0.751720000 (date 2026-05-11)
Problem Types: CWE-119 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Ibm | Powerkvm | 2.1 | All | All | All |
| Application | Ibm | Powerkvm | 3.1 | All | All | All |
| Application | Pcre | Pcre | 7.8 | All | All | All |
| Application | Pcre | Pcre | 8.32 | All | All | All |
| Application | Pcre | Pcre | 8.33 | All | All | All |
| Application | Pcre | Pcre | 8.34 | All | All | All |
| Application | Pcre | Pcre | 8.35 | All | All | All |
| Application | Pcre | Pcre | 8.36 | All | All | All |
| Application | Pcre | Pcre | 8.37 | All | All | All |
| Application | Pcre | Pcre2 | 10.10 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| oss-security - CVE-2015-3217: PCRE Library Call Stack Overflow Vulnerability in match() | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| IBM Security Bulletin: Multiple vulnerabilities in PCRE affect PowerKVM - United States | af854a3a-2127-422b-91ae-364da2661108 | www-01.ibm.com | Third Party Advisory |
| PCRE 'match()' Function Stack Buffer Overflow Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| 1228283 – (CVE-2015-3217) CVE-2015-3217 pcre: stack overflow caused by mishandled group empty match (8.38/11) | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking |
| Bug 1638 – PCRE Library Call Stack Overflow Vulnerability in match() | af854a3a-2127-422b-91ae-364da2661108 | bugs.exim.org | Exploit, Issue Tracking, Vendor Advisory |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | access.redhat.com | |
| Oracle Linux Bulletin - April 2016 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| [pcre] Revision 1566 | af854a3a-2127-422b-91ae-364da2661108 | vcs.pcre.org | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 670287 EulerOS Security Update for glib2 (EulerOS-SA-2021-1789)