CVE-2009-1892

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.

• CWE-16

• http://secunia.com/advisories/35830Vendor Advisory
• http://secunia.com/advisories/35851Vendor Advisory
• http://secunia.com/advisories/36457
• http://secunia.com/advisories/37342
• http://www.debian.org/security/2009/dsa-1833Patch
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:154
• http://www.securityfocus.com/bid/35669Patch
• https://exchange.xforce.ibmcloud.com/vulnerabilities/51717
• https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html
• https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html
• http://secunia.com/advisories/35830Vendor Advisory
• http://secunia.com/advisories/35851Vendor Advisory
• http://secunia.com/advisories/36457
• http://secunia.com/advisories/37342
• http://www.debian.org/security/2009/dsa-1833Patch
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:154
• http://www.securityfocus.com/bid/35669Patch
• https://exchange.xforce.ibmcloud.com/vulnerabilities/51717
• https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01177.html
• https://www.redhat.com/archives/fedora-package-announce/2009-November/msg00340.html

Published

Jul 17, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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