CVE-2007-4772

Name: CVE-2007-4772
Creator: NVD / NIST
Published: 2008-01-09T21:46:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.84%

Last modified Jun 16, 2026

CVE-2007-4772 is a vulnerability of currently unknown severity. 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 context-dependent attackers to cause a denial of service (infinite loop) via a crafted regular expression.. EPSS estimates a 3.84% chance of exploitation in the next 30 days.

Description

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 context-dependent attackers to cause a denial of service (infinite loop) via a crafted regular expression.

Metrics

EPSS Probability

3.84%

88.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Postgresql	Postgresql	>= 7.4, < 7.4.19
Postgresql	Postgresql	>= 8.0, < 8.0.15
Postgresql	Postgresql	>= 8.1, < 8.1.11
Postgresql	Postgresql	>= 8.2, < 8.2.6
Tcl	Tcl\/Tk	< 8.4.17
Debian	Debian Linux	3.1
Canonical	Ubuntu Linux	6.06
Canonical	Ubuntu Linux	6.10
Canonical	Ubuntu Linux	7.04
Canonical	Ubuntu Linux	7.10

References

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154Broken Link
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0122.htmlThird Party Advisory
http://secunia.com/advisories/28359Third Party Advisory
http://secunia.com/advisories/28376Third Party Advisory
http://secunia.com/advisories/28437Third Party Advisory
http://secunia.com/advisories/28438Third Party Advisory
http://secunia.com/advisories/28454Third Party Advisory
http://secunia.com/advisories/28455Third Party Advisory
http://secunia.com/advisories/28464Third Party Advisory
http://secunia.com/advisories/28477Third Party Advisory
http://secunia.com/advisories/28479Third Party Advisory
http://secunia.com/advisories/28679Third Party Advisory
http://secunia.com/advisories/28698Third Party Advisory
http://secunia.com/advisories/29070Third Party Advisory
http://secunia.com/advisories/29248Third Party Advisory
http://secunia.com/advisories/29638Third Party Advisory
http://secunia.com/advisories/30535Third Party Advisory
http://security.gentoo.org/glsa/glsa-200801-15.xmlThird Party Advisory
http://securitytracker.com/id?1019157Third Party Advisory, VDB Entry
http://sourceforge.net/project/shownotes.php?release_id=565440&group_id=10894Third Party Advisory
http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894Exploit, Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200559-1Broken Link
http://www.debian.org/security/2008/dsa-1460Third Party Advisory
http://www.debian.org/security/2008/dsa-1463Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:004Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:059Third Party Advisory
http://www.postgresql.org/about/news.905Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2008-0038.htmlThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0040.htmlThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0134.htmlThird Party Advisory
http://www.securityfocus.com/archive/1/485864/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/486407/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/493080/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/27163Patch, Third Party Advisory, VDB Entry
http://www.vmware.com/security/advisories/VMSA-2008-0009.htmlThird Party Advisory
http://www.vupen.com/english/advisories/2008/0061Third Party Advisory
http://www.vupen.com/english/advisories/2008/0109Third Party Advisory
http://www.vupen.com/english/advisories/2008/1071/referencesThird Party Advisory
http://www.vupen.com/english/advisories/2008/1744Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/39497Third Party Advisory, VDB Entry
https://issues.rpath.com/browse/RPL-1768Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11569Third Party Advisory
https://usn.ubuntu.com/568-1/Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.htmlThird Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.htmlThird Party Advisory
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154Broken Link
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0122.htmlThird Party Advisory
http://secunia.com/advisories/28359Third Party Advisory
http://secunia.com/advisories/28376Third Party Advisory
http://secunia.com/advisories/28437Third Party Advisory
http://secunia.com/advisories/28438Third Party Advisory
http://secunia.com/advisories/28454Third Party Advisory
http://secunia.com/advisories/28455Third Party Advisory
http://secunia.com/advisories/28464Third Party Advisory
http://secunia.com/advisories/28477Third Party Advisory
http://secunia.com/advisories/28479Third Party Advisory
http://secunia.com/advisories/28679Third Party Advisory
http://secunia.com/advisories/28698Third Party Advisory
http://secunia.com/advisories/29070Third Party Advisory
http://secunia.com/advisories/29248Third Party Advisory
http://secunia.com/advisories/29638Third Party Advisory
http://secunia.com/advisories/30535Third Party Advisory
http://security.gentoo.org/glsa/glsa-200801-15.xmlThird Party Advisory
http://securitytracker.com/id?1019157Third Party Advisory, VDB Entry
http://sourceforge.net/project/shownotes.php?release_id=565440&group_id=10894Third Party Advisory
http://sourceforge.net/tracker/index.php?func=detail&aid=1810264&group_id=10894&atid=110894Exploit, Third Party Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1Broken Link
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200559-1Broken Link
http://www.debian.org/security/2008/dsa-1460Third Party Advisory
http://www.debian.org/security/2008/dsa-1463Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:004Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2008:059Third Party Advisory
http://www.postgresql.org/about/news.905Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2008-0038.htmlThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0040.htmlThird Party Advisory
http://www.redhat.com/support/errata/RHSA-2008-0134.htmlThird Party Advisory
http://www.securityfocus.com/archive/1/485864/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/486407/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/493080/100/0/threadedThird Party Advisory, VDB Entry
http://www.securityfocus.com/bid/27163Patch, Third Party Advisory, VDB Entry
http://www.vmware.com/security/advisories/VMSA-2008-0009.htmlThird Party Advisory
http://www.vupen.com/english/advisories/2008/0061Third Party Advisory
http://www.vupen.com/english/advisories/2008/0109Third Party Advisory
http://www.vupen.com/english/advisories/2008/1071/referencesThird Party Advisory
http://www.vupen.com/english/advisories/2008/1744Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/39497Third Party Advisory, VDB Entry
https://issues.rpath.com/browse/RPL-1768Broken Link
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11569Third Party Advisory
https://usn.ubuntu.com/568-1/Third Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00397.htmlThird Party Advisory
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00469.htmlThird Party Advisory

Timeline

Published: Jan 9, 2008
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2007-4772?

How severe is CVE-2007-4772?

Severity scoring for CVE-2007-4772 is pending analysis. The EPSS model estimates a 3.84% probability of exploitation in the next 30 days.

How do I fix CVE-2007-4772?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST