CVE-2026-105613

PostgreSQL Anonymizer: Unbounded memory allocation (DoS) in range-based dummy functions

Published Oct 28, 2026 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
PostgreSQL Anonymizer's range-based dummy functions dont constraint the range size. This vulnerability can be exploited to exhaust the memory of a backend and OOM-kill it (when ovecommit is on), which results in a cluster-wide crash recovery. The problem is resolved in PostgreSQL Anonymizer 3.3.0 and later versions.

Remediation

Vendor Workaround

Revoke execution rights on the range-based dummy functions or drop them.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:dalibo:postgresql_anonymizer:*:*:*:*:*:postgresql:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Dalibo
Dalibo postgresql Anonymizer
Vendors & Products Dalibo
Dalibo postgresql Anonymizer
Type Values Removed Values Added
Description PostgreSQL Anonymizer's range-based dummy functions dont constraint the range size. This vulnerability can be exploited to exhaust the memory of a backend and OOM-kill it (when ovecommit is on), which results in a cluster-wide crash recovery. The problem is resolved in PostgreSQL Anonymizer 3.3.0 and later versions.
Title PostgreSQL Anonymizer: Unbounded memory allocation (DoS) in range-based dummy functions
Weaknesses CWE-789
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
PostgreSQL
Published
Updated
Nov 5, 2026, 5:00 PM
Reserved
Oct 5, 2026, 4:26 PM
Status
Analyzed
Published
Oct 28, 2026, 6:17 PM
Modified
Nov 10, 2026, 9:57 PM