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.
Published 2007-11-07 23:46:00
Updated 2018-10-15 21:37:23
Source MITRE
View at NVD,
Vulnerability category: Execute codeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2007-4767

Probability of exploitation activity in the next 30 days EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-4767

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

References for CVE-2007-4767

Products affected by CVE-2007-4767

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