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Vulnerability details: VCID-d85u-8sx7-aaaf
Vulnerability ID VCID-d85u-8sx7-aaaf
Aliases CVE-2015-2327
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-674 Uncontrolled Recursion
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-2327.html
rhas Moderate https://access.redhat.com/errata/RHSA-2016:2750
epss 0.02782 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
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epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
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epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
epss 0.03731 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
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epss 0.04867 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
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epss 0.05897 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
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epss 0.06026 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
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epss 0.06026 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
epss 0.06026 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
epss 0.06026 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
epss 0.06026 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
epss 0.06026 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
epss 0.30568 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
epss 0.30568 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
epss 0.30568 https://api.first.org/data/v1/epss?cve=CVE-2015-2327
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2327
generic_textual Low https://jira.mongodb.org/browse/SERVER-17252
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2015-2327
generic_textual Medium https://ubuntu.com/security/notices/USN-2943-1
generic_textual Low http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
generic_textual Low http://www.openwall.com/lists/oss-security/2015/11/29/1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-2327.html
http://rhn.redhat.com/errata/RHSA-2016-2750.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-2327.json
https://api.first.org/data/v1/epss?cve=CVE-2015-2327
https://bugs.exim.org/show_bug.cgi?id=1503
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2327
https://jira.mongodb.org/browse/SERVER-17252
https://ubuntu.com/security/notices/USN-2943-1
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
http://www.fortiguard.com/advisory/FG-VD-15-010/
http://www.openwall.com/lists/oss-security/2015/11/29/1
http://www.securityfocus.com/bid/74924
cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:pcre:perl_compatible_regular_expression_library:*:*:*:*:*:*:*:*
CVE-2015-2327 https://nvd.nist.gov/vuln/detail/CVE-2015-2327
RHBA-2015:2142 https://bugzilla.redhat.com/show_bug.cgi?id=1285408
RHSA-2016:2750 https://access.redhat.com/errata/RHSA-2016:2750
USN-2943-1 https://usn.ubuntu.com/2943-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2015-2327
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.84796
EPSS Score 0.02782
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.