Is CVE-2015-2326 actively exploited?

CVE-2015-2326 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2015-2326?

CVE-2015-2326 has a CVSS score of 5.5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

How do I patch CVE-2015-2326?

Patch guidance is available from pcre security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2015-2326.

CVE-2015-2326 - remediation guidance & executive summary

Q: Which products are affected by CVE-2015-2326?

7 products: pcre pcre, opensuse opensuse, opensuse opensuse, mariadb mariadb, php php, and 2 more.

Description

The pcre_compile2 function in PCRE before 8.37 allows context-dependent attackers to compile incorrect code and cause a denial of service (out-of-bounds read) via regular expression with a group containing both a forward referencing subroutine call and a recursive back reference, as demonstrated by "((?+1)(\1))/".

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-125 · Out-of-bounds Read

Metadata

Primary Vendor: PCRE
Published: 1/14/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

pcre : pcreopensuse : opensuseopensuse : opensusemariadb : mariadbphp : phpphp : phpphp : php

Remediation Guidance

Executive Summary

Cite this page

CVE-2015-2326. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2015-2326

View on NIST NVD

CVE-2015-2326 vulnerability