4.9 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:H/Au:S/C:N/I:N/A:C
8.1 High
AI Score
Confidence
High
0.943 High
EPSS
Percentile
99.2%
libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a memory-exhaustion attack against a machine running a dhcpd process, a related issue to CVE-2013-2266.