Input validation error in PostgreSQL - CVE-2010-0442

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Main Vulnerability Database Vulnerabilities #VU111772

Input validation error in PostgreSQL - CVE-2010-0442

Published: February 24, 2023 / Updated: June 23, 2025


Vulnerability identifier: #VU111772
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2010-0442
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: PostgreSQL Global Development Group
Affected software:
PostgreSQL

Detailed vulnerability description

The vulnerability allows a remote user to read and manipulate data.

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."


How to mitigate CVE-2010-0442

Install update from vendor's website.

Sources