CVE-2015-2327

Summary

CVECVE-2015-2327
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-12-02 01:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionPCRE 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.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: CWE-119 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Pcre Perl Compatible Regular Expression Library All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
ViewVC Exception af854a3a-2127-422b-91ae-364da2661108 vcs.pcre.org Exploit
[SERVER-17252] Upgrade PCRE Version from 8.30 to Latest - MongoDB af854a3a-2127-422b-91ae-364da2661108 jira.mongodb.org
PCRE 'compile_regex()' Function Stack Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
oss-security - Re: Heap Overflow in PCRE af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
FortiGuard.com | Fortinet Discovers MongoDB 'Regular Expression' Parsing Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.fortiguard.com
Bug 1503 – PCRE Library Stack Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 bugs.exim.org Exploit
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 20390 IBM DB2 Multiple Vulnerabilities (7087225)
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