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Vulnerability record/PUBLISHED/Published Aug 11, 2023 12:19:15 UTC

CVE-2023-39418

A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user could store such rows.

Base score3.1/ 10
SeverityLowCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes
Base severityLow
Attack vectorNetworkAV
Attack complexityHighAC
Privileges requiredLowPR
User interactionNoneUI
ScopeUnchangedS
Confidentiality impactNoneC
Integrity impactLowI
Availability impactNoneA
CVSS vector stringCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authorityredhat
Last updatedNov 7, 2026 11:56:12 UTC
PublishedAug 11, 2023 12:19:15 UTC
ReservedAug 1, 2023 09:31:02 UTC