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Servers and applications

CVE-2007-4772

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.

Severity
Medium 4.0
Published
9 Jan 2008
Last changed
16 Jun 2026
Added to UpHeron
16 Oct 2026
Fixed in
7.4.19, 8.0.15, 8.1.11, 8.2.6
Exploit chance
3.8% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-399
Attack
Over the network · Needs a login
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
PostgreSQLServers and applications · cpe:a:postgresql:postgresql
  • From 7.4 before 7.4.19
  • From 8.0 before 8.0.15
  • From 8.1 before 8.1.11
  • From 8.2 before 8.2.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-4772
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-4772