CVE-2007-4767

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

Perl-Compatible Regular Expression (PCRE) library before 7.3 does not properly compute the length of (1) a \p sequence, (2) a \P sequence, or (3) a \P{x} sequence, which allows context-dependent attackers to cause a denial of service (infinite loop or crash) or execute arbitrary code.

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected software

No affected versions have been published.

Timeline

Published: Nov 7, 2007
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2007

CVE-2007-47686.8Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arb CVE-2007-47696.8The regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 be CVE-2007-47706.8libicu in International Components for Unicode (ICU) 3.8.1 and earlier attempts to process backreferences to the nonexistent capture group z CVE-2007-47719.3Heap-based buffer overflow in the doInterval function in regexcmp.cpp in libicu in International Components for Unicode (ICU) 3.8.1 and earl CVE-2007-47724.0The regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 be CVE-2007-47739.8Systrace before 1.6.0 has insufficient escape policy enforcement.CVE-2007-47745.9The Linux kernel before 2.4.36-rc1 has a race condition. It was possible to bypass systrace policies by flooding the ptraced process with SI CVE-2007-47769.3Buffer overflow in Microsoft Visual Basic 6.0 and Enterprise Edition 6.0 SP6 allows user-assisted remote attackers to execute arbitrary code CVE-2007-47777.5SQL injection vulnerability in Joomla! 1.5 before RC2 (aka Endeleo) allows remote attackers to execute arbitrary SQL commands via unspecifie CVE-2007-47787.5Multiple SQL injection vulnerabilities in the content component (com_content) in Joomla! 1.5 Beta1, Beta2, and RC1 allow remote attackers to CVE-2007-47794.3Cross-site scripting (XSS) vulnerability in Joomla! 1.5 before RC2 (aka Endeleo) allows remote attackers to inject arbitrary web script or H CVE-2007-47806.8Joomla! 1.5 before RC2 (aka Endeleo) allows remote attackers to obtain sensitive information (the full path) via unspecified vectors, probab