CVE-2026-107778
Medium · 6.5CVSS
6.5
EPSS
0.4%
Published
Oct 8, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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