CVE-2026-107778 — MIT krb5 through 1.22.2 NULL Pointer Dereference via krb5_rd_cred()
MIT Kerberos 5 (krb5) through 1.22.2 contains a NULL pointer dereference in make_cred_list() in rd_cred.c that allows authenticated Kerberos clients to crash services by sending…
Published: 2026-10-08 · CVSS: 7.1 · CVSS 4.0
MIT Kerberos 5 (krb5) through 1.22.2 contains a NULL pointer dereference in make_cred_list() in rd_cred.c that allows authenticated Kerberos clients to crash services by sending mismatched KRB-CRED arrays. Attackers can send forwarded credentials with more tickets than ticket_info entries through gss_accept_sec_context() to crash GSS-API acceptor services, causing denial of service.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7