Bug 2529189 (CVE-2026-83534)

Summary: CVE-2026-83534 postgresql_anonymizer: postgresql16-anonymizer: PostgreSQL Anonymizer: Privilege escalation to superuser via anon.anonymize_database_parallel() function
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in PostgreSQL Anonymizer. This vulnerability, located in the `anon.anonymize_database_parallel()` function, allows an authenticated table owner to execute arbitrary code with superuser privileges. This could lead to a complete compromise of the database system.
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Bug Depends On: 2529395, 2529396    
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Description OSIDB Bzimport 2026-09-06 15:31:22 UTC
PostgreSQL Anonymizer contains a vulnerability in the anon.anonymize_database_parallel() function that allows the owner of a table to run arbitrary code with superuser privilege. The issue is fixed in PostgreSQL Anonymizer 3.2.0 and later versions