PostgreSQL fixes 1 vulnerability

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[TLP:CLEAR] PostgreSQL fixes 1 vulnerability

PostgreSQL fixes one vulnerability with versions 17.5, 16.9, 15.13, 14.18 and 13.21 [1].

PostgreSQL - DoS (CVE-2025-4207)

CVSS 5.9 (Medium)

An unauthenticated remote attacker can, due to incorrect validation of the GB18030 encoding, carry out a DoS attack on the database server and the libpq library by sending specially crafted input [1].

The vulnerability is present in product:

*:PostgreSQL; >=13.0, <13.21; >=14.0, <14.18; >=15.0, <15.13; >=16.0, <16.9; >=17.0, <17.5;

CVSS: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

More information:

CVE-2025-4207 at cve.org, NVD
CWE-126: Buffer Over-read at cwe.mitre.org

The vulnerability was publicly disclosed 8. 5. 2025.

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[TLP:CLEAR] PostgreSQL fixes 1 vulnerability

PostgreSQL - DoS (CVE-2025-4207)

CVSS 5.9 (Medium)

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