CVE-2004-0434: k5admind (kadmind) for Heimdal allows remote attackers to execute arbitrary code via a Kerberos 4 compatibility administration request whose framing length is…

PriorityP336critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

7.16%

93.6th percentile

k5admind (kadmind) for Heimdal allows remote attackers to execute arbitrary code via a Kerberos 4 compatibility administration request whose framing length is less than 2, which leads to a heap-based buffer overflow.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	debian_linux	—	—
debian	heimdal	< heimdal 0.6.2-1 (bookworm)	heimdal 0.6.2-1 (bookworm)
heimdal_project	heimdal	< 0.6.2	0.6.2
heimdal_project	heimdal	>= 0 < 0.6.2-1	0.6.2-1
heimdal_project	heimdal	>= 0 < 0.6.2-1	0.6.2-1
heimdal_project	heimdal	>= 0 < 0.6.2-1	0.6.2-1
heimdal_project	heimdal	>= 0 < 0.6.2-1	0.6.2-1

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C

osv9.8CRITICAL

vendor_debian9.8CRITICAL

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.