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CVE-2025-4207

Good to know:

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Date: May 8, 2025

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.

Severity Score

Related Resources (5)

https://lists.debian.org/debian-lts-announce/2025/05/msg00011.html
https://nvd.nist.gov/vuln/detail/CVE-2025-4207
http://www.openwall.com/lists/oss-security/2025/05/09/3
https://www.postgresql.org/support/security/CVE-2025-4207/
https://www.mend.io/vulnerability-database/CVE-2025-4207

Severity Score

Weakness Type (CWE)

Buffer Over-read

CWE-126

Top Fix

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Upgrade Version

Upgrade to version https://github.com/postgres/postgres.git - REL_17_5;https://github.com/postgres/postgres.git - REL_16_9;https://github.com/postgres/postgres.git - REL_15_13;https://github.com/postgres/postgres.git - REL_14_18;https://github.com/postgres/postgres.git - REL_13_21

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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