CVE-2015-8382

Severity: medium (CVSS 6.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2015-12-02 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

PCRE Perl Compatible Regular Expression Library: 8.36

References

http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=c351b47ce85a3a147cfa801fa9f0149ab4160834
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
http://vcs.pcre.org/pcre/code/trunk/pcre_exec.c?r1=1502&r2=1510
http://www.openwall.com/lists/oss-security/2015/08/04/3
http://www.openwall.com/lists/oss-security/2015/11/29/1
http://www.securityfocus.com/bid/76157
https://bto.bluecoat.com/security-advisory/sa128
https://bugs.exim.org/show_bug.cgi?id=1537
https://bugzilla.redhat.com/show_bug.cgi?id=1187225
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=c351b47ce85a3a147cfa801fa9f0149ab4160834
http://vcs.pcre.org/pcre/code/trunk/ChangeLog?view=markup
http://vcs.pcre.org/pcre/code/trunk/pcre_exec.c?r1=1502&r2=1510

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