a8f53a907b
Fixes the following security issue: CVE-2025-4207: PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation A 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. https://www.postgresql.org/about/news/postgresql-175-169-1513-1418-and-1321-released-3072/ Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Julien Olivain <ju.o@free.fr>