Vulnerability Description
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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://www.postgresql.org/support/security/CVE-2025-4207/
- http://www.openwall.com/lists/oss-security/2025/05/09/3
- https://lists.debian.org/debian-lts-announce/2025/05/msg00011.html
FAQ
What is CVE-2025-4207?
CVE-2025-4207 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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....
How severe is CVE-2025-4207?
CVE-2025-4207 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-4207?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.