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CVE-2007-4766

7.5 · HIGH

Multiple integer overflows in Perl-Compatible Regular Expression (PCRE) library before 7.3 allow context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via unspe…

Published Nov 7, 2007pcreCWE-189EPSS 4.16%

Overview

CVE-2007-4766 is a high-severity vulnerability affecting pcre pcre. It was published on November 7, 2007 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple integer overflows in Perl-Compatible Regular Expression (PCRE) library before 7.3 allow context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via unspecified escape (backslash) sequences.

Remediation

Check the references section for vendor advisories and patches from pcre. Update pcre to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
pcrepcre0Affected

References

Refbugs.gentoo.org/show_bug.cgi?id=198976Refdocs.info.apple.com/article.html?artnum=307179Refdocs.info.apple.com/article.html?artnum=307562Reflists.apple.com/archives/security-announce/2007/Dec/msg00002.htmlReflists.apple.com/archives/security-announce/2008/Mar/msg00001.htmlRefmail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.htmlRefsecunia.com/advisories/27538Refsecunia.com/advisories/27543Refsecunia.com/advisories/27554Refsecunia.com/advisories/27697

How CyberStrike helps

Frequently asked questions

What is CVE-2007-4766?

CVE-2007-4766 is a high-severity vulnerability affecting pcre pcre. It was published on November 7, 2007 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2007-4766?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-4766?

Check the references section for vendor advisories and patches from pcre. Update pcre to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2007-4766?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-4766 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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