All vulnerabilities

Servers and applications

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.

Severity
Medium 6.8
Published
9 Jan 2008
Last changed
16 Jun 2026
Added to UpHeron
16 Oct 2026
Exploit chance
3.9% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-189
Attack
Over the network · Needs a login
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
PostgreSQLServers and applications · cpe:a:postgresql:postgresql
  • Version 8.2.4
  • Version 8.2.3
  • Version 8.2.2
  • Version 8.2
All 56 release lines
  • Version 7.3
  • Version 7.3.1
  • Version 7.3.2
  • Version 7.3.3
  • Version 7.3.4
  • Version 7.3.6
  • Version 7.3.8
  • Version 7.3.9
  • Version 7.3.10
  • Version 7.3.11
  • Version 7.3.12
  • Version 7.3.13
  • Version 7.3.14
  • Version 7.3.15
  • Version 7.3.16
  • Version 7.3.19
  • Version 7.4
  • Version 7.4.1
  • Version 7.4.2
  • Version 7.4.3
  • Version 7.4.4
  • Version 7.4.5
  • Version 7.4.6
  • Version 7.4.7
  • Version 7.4.8
  • Version 7.4.9
  • Version 7.4.10
  • Version 7.4.11
  • Version 7.4.12
  • Version 7.4.13
  • Version 7.4.14
  • Version 7.4.16
  • Version 7.4.17
  • Version 8.0
  • Version 8.0.1
  • Version 8.0.2
  • Version 8.0.3
  • Version 8.0.4
  • Version 8.0.5
  • Version 8.0.7
  • Version 8.0.8
  • Version 8.0.9
  • Version 8.0.11
  • Version 8.0.13
  • Version 8.0.317
  • Version 8.1.1
  • Version 8.1.3
  • Version 8.1.4
  • Version 8.1.5
  • Version 8.1.7
  • Version 8.1.8
  • Version 8.1.9
  • Version 8.2
  • Version 8.2.2
  • Version 8.2.3
  • Version 8.2.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-6067
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-6067