CVE-2007-4769

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-01-09 · updated 2026-06-16
Weakness: CWE-189

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 remote authenticated users to cause a denial of service (backend crash) via an out-of-bounds backref number.

Affected products

PostgreSQL: 7.3, 7.3.1, 7.3.2, 7.3.3, 7.3.4, 7.3.6 (+50)
Tcl Tk: through 8.4.16

References

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

Get alerted when CVE-2007-4769 or the next vulnerability affects your stack