Vulnerability Report

CVE-2007-4769

Title: Tcl Tk Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2007-4769.

CWE Category CWE-189

Published Date Jan 09, 2008

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 6.8 CVSS v2.0

Exploit Probability (EPSS)

3.64%

Vulnerability Summary

CVE-2007-4769: The regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows remote authenticated users to cause a denial of service (backend crash) via an out-of-bounds backref number.

Impacted Vendors

postgresql 1

tcl_tk 1

anynines 1

Reference Links

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154 http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.html http://secunia.com/advisories/28359 http://secunia.com/advisories/28376 http://secunia.com/advisories/28437 http://secunia.com/advisories/28438 http://secunia.com/advisories/28454 http://secunia.com/advisories/28455 http://secunia.com/advisories/28464 http://secunia.com/advisories/28477 http://secunia.com/advisories/28479 http://secunia.com/advisories/28679 http://secunia.com/advisories/28698 http://secunia.com/advisories/29638 http://security.gentoo.org/glsa/glsa-200801-15.xml http://securitytracker.com/id?1019157 http://sourceforge.net/project/shownotes.php?release_id=565440&group_id=10894 http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894 http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-200559-1 http://www.debian.org/security/2008/dsa-1460 http://www.debian.org/security/2008/dsa-1463 http://www.mandriva.com/security/advisories?name=MDVSA-2008:004 http://www.postgresql.org/about/news.905 http://www.redhat.com/support/errata/RHSA-2008-0038.html http://www.redhat.com/support/errata/RHSA-2008-0040.html http://www.securityfocus.com/archive/1/485864/100/0/threaded http://www.securityfocus.com/archive/1/486407/100/0/threaded http://www.securityfocus.com/bid/27163 http://www.vupen.com/english/advisories/2008/0061 http://www.vupen.com/english/advisories/2008/0109 http://www.vupen.com/english/advisories/2008/1071/references https://exchange.xforce.ibmcloud.com/vulnerabilities/39499 https://issues.rpath.com/browse/RPL-1768 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9804 https://usn.ubuntu.com/568-1/ https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.html https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.html http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154 http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.html http://secunia.com/advisories/28359 http://secunia.com/advisories/28376 http://secunia.com/advisories/28437 http://secunia.com/advisories/28438 http://secunia.com/advisories/28454 http://secunia.com/advisories/28455 http://secunia.com/advisories/28464 http://secunia.com/advisories/28477 http://secunia.com/advisories/28479 http://secunia.com/advisories/28679 http://secunia.com/advisories/28698 http://secunia.com/advisories/29638 http://security.gentoo.org/glsa/glsa-200801-15.xml http://securitytracker.com/id?1019157 http://sourceforge.net/project/shownotes.php?release_id=565440&group_id=10894 http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894 http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-200559-1 http://www.debian.org/security/2008/dsa-1460 http://www.debian.org/security/2008/dsa-1463 http://www.mandriva.com/security/advisories?name=MDVSA-2008:004 http://www.postgresql.org/about/news.905 http://www.redhat.com/support/errata/RHSA-2008-0038.html http://www.redhat.com/support/errata/RHSA-2008-0040.html http://www.securityfocus.com/archive/1/485864/100/0/threaded http://www.securityfocus.com/archive/1/486407/100/0/threaded http://www.securityfocus.com/bid/27163 http://www.vupen.com/english/advisories/2008/0061 http://www.vupen.com/english/advisories/2008/0109 http://www.vupen.com/english/advisories/2008/1071/references https://exchange.xforce.ibmcloud.com/vulnerabilities/39499 https://issues.rpath.com/browse/RPL-1768 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9804 https://usn.ubuntu.com/568-1/ https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.html https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.html

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2007-4769 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.

January 09, 2008 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:L/Au:S/C:N/I:N/A:C

Affected Stack

No specific products linked.