CVE-2009-0847: Mit Kerberos

Medium severity, CVSS 4.3. EPSS: 2.8% chance of exploitation in the next 30 days.

The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.

Affected products

• Mit Kerberos: version 5-1.6.3 only

Published 2009-04-09. Last modified 2026-06-16.