Vulnerabilities > ISC > Dhcp > Medium

DATE CVE VULNERABILITY TITLE RISK
2022-10-07 CVE-2022-2928 NULL Pointer Dereference vulnerability in multiple products
In ISC DHCP 4.4.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1, when the function option_code_hash_lookup() is called from add_option(), it increases the option's refcount field.
low complexity
isc debian fedoraproject CWE-476
6.5
2022-10-07 CVE-2022-2929 Allocation of Resources Without Limits or Throttling vulnerability in multiple products
In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.
low complexity
isc debian fedoraproject CWE-770
6.5
2016-03-09 CVE-2016-2774 Improper Input Validation vulnerability in multiple products
ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions.
network
high complexity
isc debian canonical CWE-20
5.9
2016-01-14 CVE-2015-8605 Improper Input Validation vulnerability in multiple products
ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial of service (application crash) via an invalid length field in a UDP IPv4 packet.
low complexity
sophos isc debian canonical CWE-20
6.5