SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2010-1322

The merge_authdata function in kdc_authdata.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x before 1.8.4 does not properly manage an index into an authorization-data list, which allows remote attackers to cause a denial of…

MEDIUM 6.5EPSS 3.04%

Does this matter?

Lower severity and a low EPSS score (3.04%). Track it; it rarely justifies an emergency change on its own.

Description

The merge_authdata function in kdc_authdata.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x before 1.8.4 does not properly manage an index into an authorization-data list, which allows remote attackers to cause a denial of service (daemon crash), or possibly obtain sensitive information, spoof authorization, or execute arbitrary code, via a TGS request that triggers an uninitialized pointer dereference, as demonstrated by a request from a Windows Active Directory client.

CVSS 2.0
6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS
3.04% probability · 87th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-20
Affected
mit/kerberos 5
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 3.04%26 October 202626 October 2026

EPSS 3.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.