Vulnerability DatabaseCVE-2026-6474
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CVE-2026-6474
Published:May 14, 2026
Updated:May 18, 2026
Externally-controlled format string in PostgreSQL timeofday() function allows an attacker to retrieve portions of server memory, via crafted timezone zones. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected.
Affected Packages
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_17_0 <REL_17_10
Fix Suggestion:
Update to version REL_17_10
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_14_0 <REL_14_23
Fix Suggestion:
Update to version REL_14_23
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_15_0 <REL_15_18
Fix Suggestion:
Update to version REL_15_18
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_18_0 <REL_18_4
Fix Suggestion:
Update to version REL_18_4
https://github.com/postgres/postgres.git (GITHUB):
Affected version(s) >=REL_16_0 <REL_16_14
Fix Suggestion:
Update to version REL_16_14
Related Resources (1)
https://www.postgresql.org/support/security/CVE-2026-6474/
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Use of Externally-Controlled Format String
CWE-134
EPSS
Base Score:
0.03