9.8
CVSSv3

CVE-2015-8386

Published: 02/12/2015 Updated: 16/02/2023
CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10
CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9
VMScore: 668
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

PCRE prior to 8.38 mishandles the interaction of lookbehind assertions and mutually recursive subpatterns, which allows remote malicious users 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.

Vulnerability Trend

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pcre perl compatible regular expression library

fedoraproject fedora 22

oracle linux 7

php php

Vendor Advisories

PCRE could be made to crash or run programs if it processed a specially-crafted regular expression ...
Synopsis Moderate: rh-php56 security, bug fix, and enhancement update Type/Severity Security Advisory: Moderate Topic An update for rh-php56, rh-php56-php, and rh-php56-php-pear is now available for Red Hat Software CollectionsRed Hat Product Security has rated this update as having a security impact of Mo ...
Debian Bug report logs - #806467 pcre3: CVE-2015-8380: Heap overflow / invalid write in fuction pcre_exec Package: src:pcre3; Maintainer for src:pcre3 is Matthew Vernon <matthew@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 27 Nov 2015 18:27:06 UTC Severity: normal Tags: fixed-upstream ...
PCRE before 838 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 (CVE-2015-8386) ...
PCRE before 838 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 ...
PHP bundles the Perl-Compatible Regular Expressions (PCRE) library for RegExp parsing, which SecurityCenter implements PHP 5618 was released that fixes a variety of issues in the bundled PCRE library, that includes: CVE-2015-8383 - PCRE RegExp Repeated Conditional Group Handling Buffer Overflow DoS CVE-2015-8386 - PCRE lookbehind Assertion Mutu ...