SB2023022439 - Input validation error in PostgreSQL

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Main Vulnerability Database SB2023022439

SB2023022439 - Input validation error in PostgreSQL

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

Security Bulletin ID SB2023022439
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2010-0442)

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."


Remediation

Install update from vendor's website.

References