CVE-2015-8386
CRITICALPCRE < 8.38 - Buffer Overflow via Lookbehind Assertions and Mutually Recursive Subpatterns
Title source: llmDescription
PCRE before 8.38 mishandles the interaction of lookbehind assertions and mutually recursive subpatterns, which allows remote attackers to cause a denial of service (buffer overflow) or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror.
References (13)
Core 13
Core References
Mailing List, Third Party Advisory mailing-list
http://www.openwall.com/lists/oss-security/2015/11/29/1
Third Party Advisory vendor-advisory
https://access.redhat.com/errata/RHSA-2016:1132
Third Party Advisory, VDB Entry vdb-entry
http://www.securityfocus.com/bid/82990
Third Party Advisory vendor-advisory
http://rhn.redhat.com/errata/RHSA-2016-1025.html
Third Party Advisory vendor-advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Third Party Advisory vendor-advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174931.html
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/201607-02
Broken Link, Release Notes
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=isg3T1023886
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa128
Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
Vendor Advisory
https://security.netapp.com/advisory/ntap-20230216-0002/
Scores
CVSS v3
9.8
EPSS
0.0752
EPSS Percentile
91.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (4)
fedoraproject/fedora
22
oracle/linux
7
pcre/perl_compatible_regular_expression_library
< 8.37
php/php
5.5.0 - 5.5.32
Published
Dec 02, 2015
Tracked Since
Feb 18, 2026