Advisories for Golang/Github.com/Pingcap/Tidb package

A nil pointer dereference in PingCAP TiDB v8.2.0-alpha-216-gfe5858b allows attackers to crash the application via expression.inferCollation.

Use of Externally-Controlled Format String in GitHub repository pingcap/tidb prior to 6.4.0, 6.1.3.

Under certain conditions, an attacker can construct malicious authentication requests to bypass the authentication process, resulting in privilege escalation or unauthorized access. Only users using TiDB 5.3.0 are affected by this vulnerability.