Description
dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are both used, allows remote attackers to cause a denial of service (daemon crash) via unspecified requests.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | isc-dhcp | 3.1.2p1-2 | — |
| Debian 12 | isc-dhcp | 3.1.2p1-2 | — |
| Debian 5.0 | dhcp3 | 3.1.1-6+lenny3 | DSA-1833-2 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | dhcp | 4.3.3.P1-3.1 | openSUSE-SU-2024:10358-1 |
Advisories 2
- DSA-1833-2 dhcp3 - arbitrary code execution Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10358-1 dhcp-4.3.3.P1-3.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
References
- 35830 third-party-advisory
- dhcp-dhcp-dos(51717) vdb-entry
- FEDORA-2009-9075 vendor-advisory
- DSA-1833 vendor-advisory
- 35669 vdb-entry
- 37342 third-party-advisory
- 35851 third-party-advisory
- 36457 third-party-advisory
- MDVSA-2009:154 vendor-advisory
- FEDORA-2009-8344 vendor-advisory