CVE-2006-3122
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote...
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."
Exploit likelihood
What each source reports
NVD Score used
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."
- Record
CVE-2006-3122- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."
- Record
CVE-2006-3122- Updated
- 2026-11-02
EUVDEUVD-2006-3119 No score
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."
- Record
EUVD-2006-3119- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jgmg-r2qf-hx4v No score
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote...
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."
- Record
GHSA-jgmg-r2qf-hx4v- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
dhcpDebian:3.1 |
before 2.0pl5-19.1sarge2, plus listed versions 2.0pl5-19.1 |
2.0pl5-19.1sarge2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-3122 is a medium vulnerability (CVSS 5.0) in Isc Dhcpd, published August 4, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.02%, the 90th percentile. Fixed in dhcp 2.0pl5-19.1sarge2.