Is CVE-2010-0442 being actively exploited?

CVE-2010-0442 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-0442?

CVE-2010-0442 has a CVSS 2.0 base score of 6.5 (MEDIUM).

CVE-2010-0442

MEDIUM · CVSS 6.5EPSS 13.3%EU EUVD

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."

Key facts

CVSS score: 6.5 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness (CWE): CWE-189
EPSS score: 13.3% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-0473)
Published: February 2, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-0473 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

postgresql / postgresql

References

http://archives.postgresql.org/pgsql-committers/2010-01/msg00125.php(Vendor Advisory)
http://archives.postgresql.org/pgsql-hackers/2010-01/msg00634.php(Vendor Advisory)
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567058(Third Party Advisory)
http://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=75dea10196c31d98d98c0bafeeb576ae99c09b12(Vendor Advisory)
http://git.postgresql.org/gitweb?p=postgresql.git%3Ba=commit%3Bh=b15087cb39ca9e4bde3c8920fcee3741045d2b83(Vendor Advisory)
http://intevydis.blogspot.com/2010/01/postgresql-8023-bitsubstr-overflow.html(Third Party Advisory)
http://secunia.com/advisories/39566(Broken Link)
http://secunia.com/advisories/39820(Broken Link)
http://secunia.com/advisories/39939(Broken Link)
http://securitytracker.com/id?1023510(Third Party Advisory, VDB Entry)
http://ubuntu.com/usn/usn-933-1(Third Party Advisory)
http://www.debian.org/security/2010/dsa-2051(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2010:103(Broken Link)
http://www.openwall.com/lists/oss-security/2010/01/27/5(Mailing List, Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0427.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0428.html(Third Party Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0429.html(Third Party Advisory)
http://www.securityfocus.com/bid/37973(Exploit, Third Party Advisory, VDB Entry)
http://www.vupen.com/english/advisories/2010/1022(Permissions Required)
http://www.vupen.com/english/advisories/2010/1197(Permissions Required)
http://www.vupen.com/english/advisories/2010/1207(Permissions Required)
http://www.vupen.com/english/advisories/2010/1221(Permissions Required)
https://bugzilla.redhat.com/show_bug.cgi?id=559194(Issue Tracking, Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=559259(Issue Tracking, Third Party Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/55902(Third Party Advisory, VDB Entry)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9720(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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