Is CVE-2007-4768 actively exploited?

CVE-2007-4768 has no public evidence of in-the-wild exploitation as of 2025-04-09.

What is the CVSS score for CVE-2007-4768?

CVE-2007-4768 has a CVSS score of 6.8 (UNKNOWN severity). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P.

How do I patch CVE-2007-4768?

Patch guidance is available from pcre security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2007-4768.

Which products are affected by CVE-2007-4768?

3 products: pcre pcre, pcre pcre, pcre pcre.

CVE-2007-4768 - remediation guidance & executive summary

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.

CVSS Metrics

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector: network
Access Cmplx: medium
Auth: none
Confidentiality: partial
Integrity: partial
Availability: partial
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: PCRE
Published: 11/7/2007
Last Modified: 4/9/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

pcre : pcrepcre : pcrepcre : pcre

Remediation Guidance

Executive Summary

Cite this page

CVE-2007-4768. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2007-4768

View on NIST NVD

CVE-2007-4768 vulnerability