Is CVE-2015-3210 actively exploited?

CVE-2015-3210 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2015-3210?

CVE-2015-3210 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2015-3210?

Patch guidance is available from pcre security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2015-3210.

Fix CVE-2015-3210 - CRITICAL pcre pcre2

Q: Which products are affected by CVE-2015-3210?

5 products: pcre pcre2, pcre pcre, pcre pcre, pcre pcre, pcre pcre.

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write

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 : pcre

Remediation Guidance

Executive Summary

Cite this page

CVE-2015-3210. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2015-3210

View on NIST NVD

CVE-2015-3210 vulnerability