Vulnerability Details CVE-2026-2003
Improper validation of type "oidvector" in PostgreSQL allows a database user to disclose a few bytes of server memory. We have not ruled out viability of attacks that arrange for presence of confidential information in disclosed bytes, but they seem unlikely. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 13.9%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-2003
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cpe:2.3:a:postgresql:postgresql:14.0
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cpe:2.3:a:postgresql:postgresql:14.1
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cpe:2.3:a:postgresql:postgresql:14.10
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cpe:2.3:a:postgresql:postgresql:14.11
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cpe:2.3:a:postgresql:postgresql:14.12
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cpe:2.3:a:postgresql:postgresql:14.13
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cpe:2.3:a:postgresql:postgresql:14.14
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cpe:2.3:a:postgresql:postgresql:14.15
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cpe:2.3:a:postgresql:postgresql:14.16
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cpe:2.3:a:postgresql:postgresql:14.17
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cpe:2.3:a:postgresql:postgresql:14.18
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cpe:2.3:a:postgresql:postgresql:14.19
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cpe:2.3:a:postgresql:postgresql:14.2
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cpe:2.3:a:postgresql:postgresql:14.20
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cpe:2.3:a:postgresql:postgresql:14.3
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cpe:2.3:a:postgresql:postgresql:14.4
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cpe:2.3:a:postgresql:postgresql:14.5
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cpe:2.3:a:postgresql:postgresql:14.6
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cpe:2.3:a:postgresql:postgresql:14.7
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cpe:2.3:a:postgresql:postgresql:14.8
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cpe:2.3:a:postgresql:postgresql:14.9
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cpe:2.3:a:postgresql:postgresql:15.0
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cpe:2.3:a:postgresql:postgresql:15.1
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cpe:2.3:a:postgresql:postgresql:15.10
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cpe:2.3:a:postgresql:postgresql:15.11
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cpe:2.3:a:postgresql:postgresql:15.12
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cpe:2.3:a:postgresql:postgresql:15.13
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cpe:2.3:a:postgresql:postgresql:15.14
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cpe:2.3:a:postgresql:postgresql:15.15
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cpe:2.3:a:postgresql:postgresql:15.2
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cpe:2.3:a:postgresql:postgresql:15.3
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cpe:2.3:a:postgresql:postgresql:15.4
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cpe:2.3:a:postgresql:postgresql:15.5
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cpe:2.3:a:postgresql:postgresql:15.6
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cpe:2.3:a:postgresql:postgresql:15.7
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cpe:2.3:a:postgresql:postgresql:15.8
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cpe:2.3:a:postgresql:postgresql:15.9
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cpe:2.3:a:postgresql:postgresql:16.0
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cpe:2.3:a:postgresql:postgresql:16.1
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cpe:2.3:a:postgresql:postgresql:16.10
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cpe:2.3:a:postgresql:postgresql:16.11
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cpe:2.3:a:postgresql:postgresql:16.2
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cpe:2.3:a:postgresql:postgresql:16.3
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cpe:2.3:a:postgresql:postgresql:16.4
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cpe:2.3:a:postgresql:postgresql:16.5
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cpe:2.3:a:postgresql:postgresql:16.6
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cpe:2.3:a:postgresql:postgresql:16.7
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cpe:2.3:a:postgresql:postgresql:16.8
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cpe:2.3:a:postgresql:postgresql:16.9
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cpe:2.3:a:postgresql:postgresql:17.0
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cpe:2.3:a:postgresql:postgresql:17.1
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cpe:2.3:a:postgresql:postgresql:17.2
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cpe:2.3:a:postgresql:postgresql:17.3
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cpe:2.3:a:postgresql:postgresql:17.4
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cpe:2.3:a:postgresql:postgresql:17.5
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cpe:2.3:a:postgresql:postgresql:17.6
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cpe:2.3:a:postgresql:postgresql:17.7
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cpe:2.3:a:postgresql:postgresql:18.0
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cpe:2.3:a:postgresql:postgresql:18.1