SB2026062345 - Red Hat Enterprise Linux 8 update for the postgresql:13 module

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Main Vulnerability Database SB2026062345

SB2026062345 - Red Hat Enterprise Linux 8 update for the postgresql:13 module

Published: June 23, 2026

Security Bulletin ID SB2026062345
CSH 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 vulnerability.


1) Information Exposure Through Timing Discrepancy (CVE-ID: CVE-2026-6478)

CWE-ID: CWE-208 - Information Exposure Through Timing Discrepancy

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to recover credentials sufficient to authenticate.

The vulnerability exists due to observable timing discrepancies in MD5-hashed password comparison during authentication. A remote attacker can measure authentication timing to recover credentials sufficient to authenticate.

The issue does not affect scram-sha-256 passwords and applies to MD5-hashed passwords that may originate from upgrades from PostgreSQL 13 or earlier.


Remediation

Install update from vendor's website.

References