| Package | Affected versions | Patched versions |
|---|---|---|
| kerberos | = 5-1.6.3 | |
| kerberos 5 | = 1.5= 1.5.1= 1.5.2= 1.5.3= 1.6= 1.6.1= 1.6.2 |
The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.
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