CVE-2019-6473

MEDIUM

Kea 1.4.0-1.5.0 - Denial of Service via Invalid Hostname Option

Title source: llm

Description

An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_confirm

https://kb.isc.org/docs/cve-2019-6473

Scores

CVSS v3 6.5

EPSS 0.0099

EPSS Percentile 57.9%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-617

Status published

Products (2)

ics/kea 1.6.0 beta1 (2 CPE variants)

ics/kea 1.4.0 - 1.5.0

Published Oct 16, 2019

Tracked Since Feb 18, 2026