JLSEC-2026-1258 In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application...

In MIT Kerberos 5 aka krb5 before 1.22.3, there is a NULL pointer dereference if an application calls gssacceptseccontext on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate in parsenegomessage...