Gentoo Linux Security Advisory 201804-5 - Multiple vulnerabilities have been found in ISC DHCP, the worst of which could allow for the remote execution of arbitrary code. Versions less than 4.3.6_p1 are affected.
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Debian Linux Security Advisory 4133-1 - Several vulnerabilities have been discovered in the ISC DHCP client, relay and server.
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Ubuntu Security Notice 3586-1 - Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. It was discovered that the DHCP server incorrectly handled socket descriptors. A remote attacker could possibly use this issue to cause a denial of service. Various other issues were also addressed.
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Red Hat Security Advisory 2018-0158-01 - The Dynamic Host Configuration Protocol is a protocol that allows individual devices on an IP network to get their own network configuration information, including an IP address, a subnet mask, and a broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and administer DHCP on a network. Security Fix: 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.
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