CVE-2007-6067

CVE-2007-6067 is a medium-severity vulnerability in Postgresql with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.8)
• EPSS exploit prediction: 4% (89th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Postgresql
• Published: 2008-01-09
• Last modified: 2026-06-16

Description

Algorithmic complexity vulnerability in 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 (memory consumption) via a crafted "complex" regular expression with doubly-nested states.

Frequently asked questions

What is CVE-2007-6067?

Algorithmic complexity vulnerability in 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 (memory consumption) via a crafted "complex" regular expression with doubly-nested states.

How severe is CVE-2007-6067?

CVE-2007-6067 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2007-6067 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6067?

CVE-2007-6067 primarily affects Postgresql. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-6067?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-6067 published?

CVE-2007-6067 was published on 2008-01-09 and last updated on 2026-06-16.

References

• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01420154
• http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
• http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00000.html
• http://rhn.redhat.com/errata/RHSA-2013-0122.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

Affected products (57)

• cpe:2.3:a:postgresql:postgresql:7.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.8:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.9:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.11:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.12:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.13:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.14:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.15:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.16:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.3.19:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.6:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.7:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.8:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.9:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.10:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.11:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.12:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.13:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.14:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.16:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:7.4.17:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.0:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:postgresql:postgresql:8.0.7:*:*:*:*:*:*:*

More vulnerabilities in Postgresql

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