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Unrated severityNVD Advisory· Published Jun 9, 2023· Updated Jan 6, 2025

CVE-2023-2455

CVE-2023-2455

Description

Row security policies disregard user ID changes after inlining; PostgreSQL could permit incorrect policies to be applied in certain cases where role-specific policies are used and a given query is planned under one role and then executed under other roles. This scenario can happen under security definer functions or when a common user and query is planned initially and then re-used across multiple SET ROLEs. Applying an incorrect policy may permit a user to complete otherwise-forbidden reads and modifications. This affects only databases that have used CREATE POLICY to define a row security policy.

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Affected products

105

Patches

Vulnerability mechanics

References

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