Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before 3.1.2p1, 3.0, and 2.0 allows remote DHCP servers to execute arbitrary code via a crafted subnet-mask option.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade isc-dhcp30-clientUpgrade isc-dhcp31-client | Dec 10, 2025 | Jul 15, 2009 |
| Gentoo Linux | — | Upgrade net-misc/dhcp. | Oct 30, 2017 | Jul 14, 2009 |
| Suse | — | Upgrade dhcp-serverUpgrade dhcp-develUpgrade dhcpUpgrade dhcp-relayUpgrade dhcp-client | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade dhcp-clientUpgrade dhcp3-clientUpgrade dhcp3-client-udeb | Nov 8, 2024 | Jul 14, 2009 |
| Vmsa 2009 0014 2 Service Console Update | — | Upgrade VMware ESX 4.0 to build number 219382Upgrade VMware ESXi 4.0 to build number 208167Upgrade VMware ESX 3.5 to build number 199239 | Sep 2, 2010 | Jul 14, 2009 |
| Vmsa 2009 0016 | — | Apply ESXi400-200911201-UG. | Feb 16, 2011 | Jul 14, 2009 |
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