How severe is CVE-2014-9421?

This vulnerability has a severity rating of HIGH with a CVSS score of 9 out of 10.

What type of vulnerability is CVE-2014-9421?

This is classified as NVD-CWE-Other, which is a common weakness in software security.

CVE-2014-9421 - HIGH Severity | CVSS 9

Vulnerability Description

The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly handle partial XDR deserialization, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via malformed XDR data, as demonstrated by data sent to kadmind.

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