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.
CVE-2010-0733
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 93.3%
- KEV
- Not listed
Published
March 19, 2010
Last Modified
April 29, 2026
References (32)
- secalert@redhathttp://archives.postgresql.org/pgsql-bugs/2009-10/msg00277.php
- secalert@redhathttp://archives.postgresql.org/pgsql-bugs/2009-10/msg00287.php
- secalert@redhathttp://archives.postgresql.org/pgsql-bugs/2009-10/msg00289.php
- secalert@redhathttp://archives.postgresql.org/pgsql-bugs/2009-10/msg00310.php
- secalert@redhathttp://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=64b057e6823655fb6c5d1f24a28f236b94dd6c54
- secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- secalert@redhathttp://secunia.com/advisories/39820
- secalert@redhathttp://www.openwall.com/lists/oss-security/2010/03/09/2
- secalert@redhathttp://www.openwall.com/lists/oss-security/2010/03/16/10
- secalert@redhathttp://www.redhat.com/support/errata/RHSA-2010-0427.html
- secalert@redhathttp://www.redhat.com/support/errata/RHSA-2010-0428.html
- secalert@redhathttp://www.redhat.com/support/errata/RHSA-2010-0429.html
- secalert@redhathttp://www.securityfocus.com/bid/38619
- secalert@redhathttp://www.vupen.com/english/advisories/2010/1197
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=546621
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | postgresql-0:8.1.21-1.el5_5.1 | 2010-05-19 | redhat |
| redhat | rh-postgresql-0:7.3.21-3 | 2010-05-19 | redhat |
| redhat | postgresql-0:7.4.29-1.el4_8.1 | 2010-05-19 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
All Vendor Advisories
(3)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 5× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-29 12:27 UTCVendor advisory
- 2026-05-29 12:27 UTCGHSA enrichment
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Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-33729✓ verifiedFirst seen Jun 13, 2014
PostgreSQL 8.4.1 - JOIN Hashtable Size Integer Overflow Denial of Service
Open source ↗
Related CVEs(same vendor)
Frequently asked(4)
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How do I remediate CVE-2010-0733?
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