CVE-2007-4768

Severity CVSS v4.0:

Pending analysis

Type:

CWE-119 Buffer Errors

Publication date:

07/11/2007

Last modified:

09/04/2025

Description

Heap-based buffer overflow in Perl-Compatible Regular Expression (PCRE) library before 7.3 allows context-dependent attackers to execute arbitrary code via a singleton Unicode sequence in a character class in a regex pattern, which is incorrectly optimized.

Impact

Vector 2.0

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

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

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

Base Score 2.0

6.80

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-2007-4768

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools