When Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information (the ALPN protocols sent by the client) which is not escaped.
{ "versions": [ { "introduced": "0" }, { "fixed": "1.24.8" }, { "introduced": "1.25.0" }, { "fixed": "1.25.2" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-58189.json"