Input validation error in PostgreSQL - CVE-2010-0733

 

Input validation error in PostgreSQL - CVE-2010-0733

Published: February 13, 2023 / Updated: June 23, 2025


Vulnerability identifier: #VU111771
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2010-0733
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote user to perform service disruption.

Integer overflow in src/backend/executor/nodeHash.c in PostgreSQL 8.4.1 and earlier, and 8.5 through 8.5alpha2, allows remote authenticated users to cause a denial of service (daemon crash) via a SELECT statement with many LEFT JOIN clauses, related to certain hashtable size calculations.


Affected software

PostgreSQL
Gentoo Linux
dev-db/postgresql
dev-db/postgresql-server

How to mitigate CVE-2010-0733

Install update from vendor's website.

PostgreSQL - update to 8.4.2
dev-db/postgresql - update to 9.0.5
dev-db/postgresql-server - update to 9.0.5

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins