CVE-2007-4767

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

07/11/2007

Last modified:

09/04/2025

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.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:pcre:pcre::::::::		6.0 (including)
cpe:2.3:a:pcre:pcre::::::::		6.1 (including)
cpe:2.3:a:pcre:pcre::::::::		7.3 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2007-4767

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools