UpHeron
All vulnerabilities

Servers and applications

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.

Severity
Medium 6.8
Published
9 Jan 2008
Last changed
16 Jun 2026
Added to UpHeron
16 Oct 2026
Exploit chance
3.6% in the next 30 daysHigher than 89% 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-2007-4769
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-4769