Is CVE-2015-3217 actively exploited?

CVE-2015-3217 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2015-3217?

CVE-2015-3217 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2015-3217?

Patch guidance is available from pcre security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2015-3217.

Fix CVE-2015-3217 - HIGH pcre pcre2

Q: Which products are affected by CVE-2015-3217?

10 products: pcre pcre2, pcre pcre, pcre pcre, pcre pcre, pcre pcre, and 5 more.

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_])?)+)+$/.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: PCRE
Published: 12/13/2016
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

pcre : pcre2pcre : pcrepcre : pcrepcre : pcrepcre : pcrepcre : pcrepcre : pcrepcre : pcreibm : powerkvmibm : powerkvm

Remediation Guidance

Executive Summary

Cite this page

CVE-2015-3217. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2015-3217

View on NIST NVD

CVE-2015-3217 vulnerability