Description
PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Published: 2015-12-02
Score: 7.5 High
EPSS: 2.8% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2015-2420 PCRE before 8.36 mishandles the /(((a\2)|(a*)\g<-1>))*/ pattern and related patterns with certain internal recursive back references, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
Ubuntu USN Ubuntu USN USN-2943-1 PCRE vulnerabilities
History

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.06026}

epss

{'score': 0.0453}


Subscriptions

Pcre Perl Compatible Regular Expression Library
Redhat Enterprise Linux Rhel Software Collections
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T05:10:16.164Z

Reserved: 2015-03-18T00:00:00.000Z

Link: CVE-2015-2327

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2015-12-02T01:59:00.113

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-2327

cve-icon Redhat

Severity : Moderate

Publid Date: 2014-07-11T00:00:00Z

Links: CVE-2015-2327 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses