CVE-2026-18103

A flaw was found in dhcp-server. A remote attacker with network access to the OMAPI Open Management Application Programming Interface port, especially if not secured with TSIG Transaction Signature key authentication, could send a specially crafted lease creation request. This request, containing...

CVE-2026-18103 Dhcp-server: dhcp-server: persistent denial of service due to buffer overflow via omapi

A flaw was found in dhcp-server. A remote attacker with network access to the OMAPI Open Management Application Programming Interface port, especially if not secured with TSIG Transaction Signature key authentication, could send a specially crafted lease creation request. This request, containing...

SUSE CVE-2017-3144

A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond...

dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service

It was found that the DHCP daemon did not properly clean up closed OMAPI connections in certain cases. A remote attacker able to connect to the OMAPI port could use this flaw to exhaust file descriptors in the DHCP daemon, leading to a denial of service in the OMAPI functionality...

dhcp: unclosed TCP connections to OMAPI or failover ports can cause DoS

A resource-consumption flaw was discovered in the DHCP server. dhcpd did not restrict the number of open connections to OMAPI and failover ports. A remote attacker able to establish TCP connections to one of these ports could use this flaw to cause dhcpd to exit unexpectedly, stop responding...