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    CVE-2006-5542

    backend/tcop/postgres.c in PostgreSQL 8.1.x before 8.1.5 allows remote authenticated users to cause a denial of service (daemon crash) related to duration logging of V3-protocol Execute messages for (1) COMMIT and (2) ROLLBACK SQL statements.

    Published:Oct 16, 2006
    Last Modified:Apr 23, 2026
    EPS:Oct 26, 2006
    EPSS Score:0.02102
    CVSS Score:4

    Affected Products

    Vendor
    Postgresql
    Product
    Postgresql
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Application Stack

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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://projects.commandprompt.com/public/pgsql/changeset/25953
    http://secunia.com/advisories/22562
    http://secunia.com/advisories/22584
    http://secunia.com/advisories/22606
    http://secunia.com/advisories/22636
    http://secunia.com/advisories/23048
    http://secunia.com/advisories/23132
    http://secunia.com/advisories/24577
    http://securitytracker.com/id?1017115
    http://support.avaya.com/elmodocs2/security/ASA-2007-117.htm
    http://support.novell.com/techcenter/psdb/59650c03a8bc5ae310cd7898bd106ad2.html
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:194
    http://www.novell.com/linux/security/advisories/2006_27_sr.html
    http://www.postgresql.org/about/news.664
    http://www.redhat.com/support/errata/RHSA-2007-0067.html
    http://www.redhat.com/support/errata/RHSA-2007-0068.html
    http://www.securityfocus.com/bid/20717
    http://www.trustix.org/errata/2006/0059/
    http://www.ubuntu.com/usn/usn-369-1
    http://www.ubuntu.com/usn/usn-369-2
    http://www.vupen.com/english/advisories/2006/4182
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10122
    http://projects.commandprompt.com/public/pgsql/changeset/25953
    http://secunia.com/advisories/22562
    http://secunia.com/advisories/22584
    http://secunia.com/advisories/22606
    http://secunia.com/advisories/22636
    http://secunia.com/advisories/23048
    http://secunia.com/advisories/23132
    http://secunia.com/advisories/24577
    http://securitytracker.com/id?1017115
    http://support.avaya.com/elmodocs2/security/ASA-2007-117.htm
    http://support.novell.com/techcenter/psdb/59650c03a8bc5ae310cd7898bd106ad2.html
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:194
    http://www.novell.com/linux/security/advisories/2006_27_sr.html
    http://www.postgresql.org/about/news.664
    http://www.redhat.com/support/errata/RHSA-2007-0067.html
    http://www.redhat.com/support/errata/RHSA-2007-0068.html
    http://www.securityfocus.com/bid/20717
    http://www.trustix.org/errata/2006/0059/
    http://www.ubuntu.com/usn/usn-369-1
    http://www.ubuntu.com/usn/usn-369-2
    http://www.vupen.com/english/advisories/2006/4182
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10122

    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