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security/heimdal*: Fix NULL dereference when mangled realm message

Description

security/heimdal*: Fix NULL dereference when mangled realm message

Fix a NULL dereference in _kadm5_s_init_context() when the client
sends a mangled realm message.

PR: 267912
Reported by: Robert Morris <rtm@lcs.mit.edu>
MFH: 2022Q4

Details

Provenance
cyAuthored on Thu, Nov 24, 4:37 PM
Parents
R11:d831a2fe480f: security/heimdal*: The version string must always contain a terminating NUL
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