CVE-2003-0026: ISC Dhcpd

High severity, CVSS 7.5. EPSS: 18.9% chance of exploitation in the next 30 days.

Multiple stack-based buffer overflows in the error handling routines of the minires library, as used in the NSUPDATE capability for ISC DHCPD 3.0 through 3.0.1RC10, allow remote attackers to execute arbitrary code via a DHCP message containing a long hostname.

Affected products

• ISC Dhcpd: version 3.0 only; version 3.0.1 only

Published 2003-01-17. Last modified 2026-06-16.