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5.9 Medium

CVE-2025-4207 Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary…

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.

Affected products and versions

Product Affected versions Fixed in
postgresql 17 17 → < 17.5 17.5
postgresql 16 16 → < 16.9 16.9
postgresql 15 15 → < 15.13 15.13
postgresql 14 14 → < 14.18 14.18
postgresql 13.21 earliest → < 13.21 13.21

References

Timeline

  1. Published
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