PCRE2 and PCRE Denial of Service Vulnerabilities

PCRE Perl Compatible Regular Expressions and PCRE2 are both products developed by software developer Philip Hazel. The former is an open source regular expression library written in C, and the latter is an API for modifying PCRE. A security vulnerability in the 'compileregex' function in the...

PCRE Denial of Service Vulnerability (CNVD-2015-07889)

PCRE Perl Compatible Regular Expressions is a software developer Philip Hazel developed a use of C language written in open source regular expression library. A security vulnerability exists in PCRE versions prior to 8.38, which stems from the program's failure to properly handle '? ' and '? R'...

PCRE Denial of Service Vulnerability (CNVD-2015-07877)

PCRE Perl Compatible Regular Expressions is a software developer Philip Hazel developed a use of C language written in open source regular expression library. A security vulnerability exists in PCRE versions prior to 8.38, which stems from the program's failure to properly handle repeated...

UBUNTU-CVE-2015-8394

PCRE before 8.38 mishandles the ? and ?R conditions, which allows remote attackers to cause a denial of service integer overflow or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konqueror...

UBUNTU-CVE-2015-8390

PCRE before 8.38 mishandles the : and \ substrings in character classes, which allows remote attackers to cause a denial of service uninitialized memory read or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by...

UBUNTU-CVE-2015-8389

PCRE before 8.38 mishandles the /?:|a|100x/ pattern and related patterns, which allows remote attackers to cause a denial of service infinite recursion or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by Konquero...

UBUNTU-CVE-2015-8388

PCRE before 8.38 mishandles the /?=di?=?1|?=./ pattern and related patterns with an unmatched closing parenthesis, 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...

PT-2015-7790 · Pcre +4 · Pcre +4

Name of the Vulnerable Software and Affected Versions: PCRE versions prior to 8.38 Description: The issue allows remote attackers to cause a denial of service infinite recursion or possibly have unspecified other impact via a crafted regular expression, such as the /?:|a|100x/ pattern and related...

PT-2015-7782

Name of the Vulnerable Software and Affected Versions PCRE versions prior to 8.38 PCRE2 versions prior to 10.2x Description The issue concerns the compile regex function in PCRE and PCRE2, which mishandles certain patterns, such as /?J:?|:?|?'R'k'R'|?'R'H'Rk'Rf|s?'R'/ and...

PT-2015-7784 · Philip Hazel +2 · Pcre +2

Name of the Vulnerable Software and Affected Versions: PCRE versions prior to 8.38 Description: The issue concerns the mishandling of certain repeated conditional groups in regular expressions, which can be exploited by remote attackers to cause a denial of service buffer overflow or possibly hav...

PT-2015-7793 · Philip Hazel +2 · Pcre +2

Name of the Vulnerable Software and Affected Versions: PCRE versions prior to 8.38 Description: The issue concerns the mishandling of the -q option for binary files by pcregrep in PCRE, potentially allowing remote attackers to obtain sensitive information via a crafted file. This could be exploit...

UBUNTU-CVE-2015-8392

PCRE before 8.38 mishandles certain instances of the ?| substring, which allows remote attackers to cause a denial of service unintended recursion and buffer overflow or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object...

UBUNTU-CVE-2015-8386

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...

CVE-2015-8382

The match function in pcreexec.c in PCRE before 8.37 mishandles the /?:abcd|?:?:?:?:abc|?:abcdefbabcdefghiabc|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...

UBUNTU-CVE-2015-8383

PCRE before 8.38 mishandles certain repeated conditional groups, 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...

UBUNTU-CVE-2015-8384

PCRE before 8.38 mishandles the /?J?'d'?'d'\gd/ pattern and related patterns with certain recursive back references, 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 JavaScri...

UBUNTU-CVE-2015-8387

PCRE before 8.38 mishandles ?123 subroutine calls and related subroutine calls, which allows remote attackers to cause a denial of service integer overflow or possibly have unspecified other impact via a crafted regular expression, as demonstrated by a JavaScript RegExp object encountered by...

UBUNTU-CVE-2015-8385

PCRE before 8.38 mishandles the /?|\k'Pm'|?'Pm'/ pattern and related patterns with certain forward references, 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...

[SECURITY] Fedora 23 Update: pcre-8.38-1.fc23

Perl-compatible regular expression library. PCRE has its own native API, but a set of "wrapper" functions that are base d on the POSIX API are also supplied in the library libpcreposix. Note that this just provides a POSIX calling interface to PCRE: the regular expressions themselves still follow...

file: unrestricted regular expression matching

Multiple flaws were found in the File Information fileinfo extension regular expression rules for detecting various files. A remote attacker could use either of these flaws to cause a PHP application using fileinfo to consume an excessive amount of CPU...