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Issue 2409 – Incorrect hostname validation when connecting to S3 endpoint with certificate that does not cover root S3 hostname

: General
: 5.12.1 beta
: Bug
: Medium
: 0
: RESOLVED
: FIXED
: 6.3.8, 6.5.5
Caused by Issue 1597.
But triggered on 2025-10-31 when AWS started using certificate that do not cover s3.amazonaws.com on some endpoints.