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    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 users to cause a denial of service (daemon crash) via a SELECT statement with many LEFT JOIN clauses, related to certain hashtable size calculations.

    Published:Dec 14, 2009
    Last Modified:Apr 11, 2025
    EPS:Mar 19, 2010
    EPSS Score:0.07672
    CVSS Score:3.5

    Affected Products

    Vendor
    Postgresql
    Product
    Postgresql
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://www.exploit-db.com/exploits/33729

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-14671 (CVSS 8.8) — Type confusion in PostgreSQL module "refint" allows an object creator to execute arbitrary code as the operati…
    CVE-2026-6471 (CVSS 7.2) — Missing authorization in PostgreSQL logical decoding allows a non-superuser holding REPLICATION privilege to d…
    CVE-2026-6470 (CVSS 4.3) — Missing authorization in PostgreSQL DDL commands allows an object creator to achieve denial of service against…
    CVE-2026-6469 (CVSS 3.8) — Incorrect ownership assignment in PostgreSQL ALTER TABLE ALTER TYPE command reassigns ownership of dependent s…
    CVE-2026-6464 (CVSS 8.1) — Untrusted data inclusion in PostgreSQL psql COPY may allow a server administrator to elicit execution of data …
    CVE-2026-19385 (CVSS 8.8) — Heap buffer overflow in PostgreSQL pg_dump of long function transform lists allows an object creator to execut…
    CVE-2026-18408 (CVSS 8.8) — Untrusted data inclusion in pg_dump in PostgreSQL allows a malicious superuser of the origin server to inject …
    CVE-2026-18024 (CVSS 4.3) — Buffer over-read in PostgreSQL ascii() SQL function allows a user to disclose up to 3 bytes after the end of a…
    CVE-2026-16241 (CVSS 3.8) — Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of ser…
    CVE-2026-16239 (CVSS 8.8) — Type confusion in PostgreSQL "portal"/cursor lifecycle allows a user to execute arbitrary code as the operatin…

    References

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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High