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CVE-2015-2326

5.5 · MEDIUM

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 co…

Published Jan 14, 2020CWE-125EPSS 1.59%

Overview

CVE-2015-2326 is a medium-severity vulnerability. It was published on January 14, 2020 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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))/".

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlRefbugs.exim.org/show_bug.cgi?id=1592Reffortiguard.com/zeroday/FG-VD-15-016Refwww.pcre.org/original/changelog.txtReflists.opensuse.org/opensuse-updates/2015-05/msg00014.htmlRefbugs.exim.org/show_bug.cgi?id=1592Reffortiguard.com/zeroday/FG-VD-15-016Refwww.pcre.org/original/changelog.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2015-2326?

CVE-2015-2326 is a medium-severity vulnerability. It was published on January 14, 2020 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2015-2326?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-2326?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-2326?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-2326 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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