Description
The match function in pcre_exec.c in PCRE before 8.37 mishandles the /(?:((abcd))|(((?:(?:(?:(?:abc|(?:abcdef))))b)abcdefghi)abc)|((*ACCEPT)))/ pattern and related patterns involving (*ACCEPT), which allows remote attackers to obtain sensitive information from process memory or cause a denial of service (partially initialized memory and application crash) via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror, aka ZDI-CAN-2547.
References (9)
Core 9
Core References
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/11/29/1
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1187225
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/76157
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/08/04/3
Exploit x_refsource_confirm
https://bugs.exim.org/show_bug.cgi?id=1537
Various Sources x_refsource_confirm
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=c351b47ce85a3a147cfa801fa9f0149ab4160834
Various Sources x_refsource_confirm
https://bto.bluecoat.com/security-advisory/sa128
Exploit x_refsource_confirm
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
Various Sources x_refsource_confirm
http://vcs.pcre.org/pcre/code/trunk/pcre_exec.c?r1=1502&r2=1510
Scores
EPSS
0.0407
EPSS Percentile
89.5%
Details
CWE
CWE-119
Status
published
Products (1)
pcre/perl_compatible_regular_expression_library
8.36
Published
Dec 02, 2015
Tracked Since
Feb 18, 2026