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PostgreSQL CVE-2025-4207

MEDIUM
Buffer Over-read (CWE-126)
2025-05-08 f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
Buffer Overflow PostgreSQL Denial Of Service Red Hat Suse
5.9
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.9 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative
Red Hat
5.9 MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Patch released
Apr 06, 2026 - 08:30 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 18:40 vuln.today
CVE Published
May 08, 2025 - 15:15 nvd
MEDIUM 5.9

DescriptionCVE.org

Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.

AnalysisAI

Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-126. Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.

Affected ProductsAI

PostgreSQL GB18030 encoding validation.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
Container suse/manager/5.0/x86_64/server-migration-14-16:5.0.4.7.17.1 Container suse/multi-linux-manager/5.1/x86_64/server-migration-14-16:5.1.0.6.27 Image server-database-migration-image Image server-migration-14-16-image Affected
Container suse/manager/5.0/x86_64/server:5.0.4.7.24.1 Affected
Container suse/multi-linux-manager/5.1/x86_64/server-postgresql:5.1.2.6.13.1 Container suse/postgres:16.9-13.5 Affected
Container suse/multi-linux-manager/5.1/x86_64/server:5.1.0.6.40 Affected
Container suse/postgres:18.1-61.1 Affected

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CVE-2025-4207 vulnerability details – vuln.today
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