Vulnerability Report

CVE-2007-4768

Title: Pcre RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2007-4768.

CWE Category CWE-119

Published Date Nov 07, 2007

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 6.8 CVSS v2.0

Exploit Probability (EPSS)

4.10%

Vulnerability Summary

CVE-2007-4768: 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.

Impacted Vendors

pcre 1

perl 1

Reference Links

http://bugs.gentoo.org/show_bug.cgi?id=198976 http://docs.info.apple.com/article.html?artnum=307179 http://docs.info.apple.com/article.html?artnum=307562 http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00007.html http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html http://secunia.com/advisories/27538 http://secunia.com/advisories/27543 http://secunia.com/advisories/27554 http://secunia.com/advisories/27697 http://secunia.com/advisories/27741 http://secunia.com/advisories/28136 http://secunia.com/advisories/28157 http://secunia.com/advisories/28161 http://secunia.com/advisories/28213 http://secunia.com/advisories/28406 http://secunia.com/advisories/28414 http://secunia.com/advisories/28570 http://secunia.com/advisories/28714 http://secunia.com/advisories/28720 http://secunia.com/advisories/29267 http://secunia.com/advisories/29420 http://secunia.com/advisories/30106 http://secunia.com/advisories/30155 http://secunia.com/advisories/30219 http://secunia.com/advisories/30507 http://secunia.com/advisories/30840 http://security.gentoo.org/glsa/glsa-200711-30.xml http://security.gentoo.org/glsa/glsa-200801-02.xml http://security.gentoo.org/glsa/glsa-200801-18.xml http://security.gentoo.org/glsa/glsa-200801-19.xml http://security.gentoo.org/glsa/glsa-200805-11.xml http://securitytracker.com/id?1019116 http://sunsolve.sun.com/search/document.do?assetkey=1-26-238305-1 http://sunsolve.sun.com/search/document.do?assetkey=1-26-239286-1 http://www.adobe.com/support/security/bulletins/apsb07-20.html http://www.adobe.com/support/security/bulletins/apsb08-13.html http://www.debian.org/security/2007/dsa-1399 http://www.debian.org/security/2008/dsa-1570 http://www.gentoo.org/security/en/glsa/glsa-200801-07.xml http://www.mandriva.com/security/advisories?name=MDKSA-2007:211 http://www.redhat.com/support/errata/RHSA-2007-1126.html http://www.securityfocus.com/archive/1/483357/100/0/threaded http://www.securityfocus.com/archive/1/483579/100/0/threaded http://www.securityfocus.com/bid/26346 http://www.us-cert.gov/cas/techalerts/TA07-352A.html http://www.us-cert.gov/cas/techalerts/TA07-355A.html http://www.vupen.com/english/advisories/2007/3725 http://www.vupen.com/english/advisories/2007/3790 http://www.vupen.com/english/advisories/2007/4238 http://www.vupen.com/english/advisories/2007/4258 http://www.vupen.com/english/advisories/2008/0924/references http://www.vupen.com/english/advisories/2008/1724/references http://www.vupen.com/english/advisories/2008/1966/references https://exchange.xforce.ibmcloud.com/vulnerabilities/38278 https://issues.rpath.com/browse/RPL-1738 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9701 https://usn.ubuntu.com/547-1/ https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html http://bugs.gentoo.org/show_bug.cgi?id=198976 http://docs.info.apple.com/article.html?artnum=307179 http://docs.info.apple.com/article.html?artnum=307562 http://lists.apple.com/archives/security-announce/2007/Dec/msg00002.html http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00007.html http://mail.gnome.org/archives/gtk-devel-list/2007-November/msg00022.html http://secunia.com/advisories/27538 http://secunia.com/advisories/27543 http://secunia.com/advisories/27554 http://secunia.com/advisories/27697 http://secunia.com/advisories/27741 http://secunia.com/advisories/28136 http://secunia.com/advisories/28157 http://secunia.com/advisories/28161 http://secunia.com/advisories/28213 http://secunia.com/advisories/28406 http://secunia.com/advisories/28414 http://secunia.com/advisories/28570 http://secunia.com/advisories/28714 http://secunia.com/advisories/28720 http://secunia.com/advisories/29267 http://secunia.com/advisories/29420 http://secunia.com/advisories/30106 http://secunia.com/advisories/30155 http://secunia.com/advisories/30219 http://secunia.com/advisories/30507 http://secunia.com/advisories/30840 http://security.gentoo.org/glsa/glsa-200711-30.xml http://security.gentoo.org/glsa/glsa-200801-02.xml http://security.gentoo.org/glsa/glsa-200801-18.xml http://security.gentoo.org/glsa/glsa-200801-19.xml http://security.gentoo.org/glsa/glsa-200805-11.xml http://securitytracker.com/id?1019116 http://sunsolve.sun.com/search/document.do?assetkey=1-26-238305-1 http://sunsolve.sun.com/search/document.do?assetkey=1-26-239286-1 http://www.adobe.com/support/security/bulletins/apsb07-20.html http://www.adobe.com/support/security/bulletins/apsb08-13.html http://www.debian.org/security/2007/dsa-1399 http://www.debian.org/security/2008/dsa-1570 http://www.gentoo.org/security/en/glsa/glsa-200801-07.xml http://www.mandriva.com/security/advisories?name=MDKSA-2007:211 http://www.redhat.com/support/errata/RHSA-2007-1126.html http://www.securityfocus.com/archive/1/483357/100/0/threaded http://www.securityfocus.com/archive/1/483579/100/0/threaded http://www.securityfocus.com/bid/26346 http://www.us-cert.gov/cas/techalerts/TA07-352A.html http://www.us-cert.gov/cas/techalerts/TA07-355A.html http://www.vupen.com/english/advisories/2007/3725 http://www.vupen.com/english/advisories/2007/3790 http://www.vupen.com/english/advisories/2007/4238 http://www.vupen.com/english/advisories/2007/4258 http://www.vupen.com/english/advisories/2008/0924/references http://www.vupen.com/english/advisories/2008/1724/references http://www.vupen.com/english/advisories/2008/1966/references https://exchange.xforce.ibmcloud.com/vulnerabilities/38278 https://issues.rpath.com/browse/RPL-1738 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9701 https://usn.ubuntu.com/547-1/ https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00181.html

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2007-4768 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

November 07, 2007 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.