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    CVE-2010-0442

    The bitsubstr function in backend/utils/adt/varbit.c in PostgreSQL 8.0.23, 8.1.11, and 8.3.8 allows remote authenticated users to cause a denial of service (daemon crash) or have unspecified other impact via vectors involving a negative integer in the third argument, as demonstrated by a SELECT statement that contains a call to the substring function for a bit string, related to an "overflow."

    Published:Jan 27, 2010
    Last Modified:Apr 11, 2025
    EPS:Feb 2, 2010
    EPSS Score:0.16189
    CVSS Score:6.5

    Affected Products

    Vendor
    Postgresql
    Product
    Postgresql
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://www.securityfocus.com/bid/37973http://www.securityfocus.com/bid/37973https://www.exploit-db.com/exploits/33571

    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://archives.postgresql.org/pgsql-committers/2010-01/msg00125.php
    http://archives.postgresql.org/pgsql-hackers/2010-01/msg00634.php
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567058
    http://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=75dea10196c31d98d98c0bafeeb576ae99c09b12
    http://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=b15087cb39ca9e4bde3c8920fcee3741045d2b83
    http://intevydis.blogspot.com/2010/01/postgresql-8023-bitsubstr-overflow.html
    http://secunia.com/advisories/39566
    http://secunia.com/advisories/39820
    http://secunia.com/advisories/39939
    http://securitytracker.com/id?1023510
    http://ubuntu.com/usn/usn-933-1
    http://www.debian.org/security/2010/dsa-2051
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:103
    http://www.openwall.com/lists/oss-security/2010/01/27/5
    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/37973
    http://www.vupen.com/english/advisories/2010/1022
    http://www.vupen.com/english/advisories/2010/1197
    http://www.vupen.com/english/advisories/2010/1207
    http://www.vupen.com/english/advisories/2010/1221
    https://bugzilla.redhat.com/show_bug.cgi?id=559194
    https://bugzilla.redhat.com/show_bug.cgi?id=559259
    https://exchange.xforce.ibmcloud.com/vulnerabilities/55902
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9720
    http://archives.postgresql.org/pgsql-committers/2010-01/msg00125.php
    http://archives.postgresql.org/pgsql-hackers/2010-01/msg00634.php
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567058
    http://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=75dea10196c31d98d98c0bafeeb576ae99c09b12
    http://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=b15087cb39ca9e4bde3c8920fcee3741045d2b83
    http://intevydis.blogspot.com/2010/01/postgresql-8023-bitsubstr-overflow.html
    http://secunia.com/advisories/39566
    http://secunia.com/advisories/39820
    http://secunia.com/advisories/39939
    http://securitytracker.com/id?1023510
    http://ubuntu.com/usn/usn-933-1
    http://www.debian.org/security/2010/dsa-2051
    http://www.mandriva.com/security/advisories?name=MDVSA-2010:103
    http://www.openwall.com/lists/oss-security/2010/01/27/5
    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/37973
    http://www.vupen.com/english/advisories/2010/1022
    http://www.vupen.com/english/advisories/2010/1197
    http://www.vupen.com/english/advisories/2010/1207
    http://www.vupen.com/english/advisories/2010/1221
    https://bugzilla.redhat.com/show_bug.cgi?id=559194
    https://bugzilla.redhat.com/show_bug.cgi?id=559259
    https://exchange.xforce.ibmcloud.com/vulnerabilities/55902
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9720

    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