CVE-2026-14258
MEDIUMDhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length ipv6 nd option in router advertisement handling
Title source: cnaExploitation Summary
EIP tracks 1 public exploit for CVE-2026-14258. PoCs published by HermesNA-1.
AI-analyzed exploit summary This repository contains an auto-generated stub module for CVE-2026-14258, a vulnerability in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. The code includes metadata and a placeholder structure but lacks actual exploit implementation for the zero-length Neighbor Discovery option bypass.
Description
A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specially crafted IPv6 Router Advertisement containing a zero-length Neighbor Discovery option can bypass validation during packet storage and later be reparsed without adequate validation, causing the parser to enter a non-advancing loop. Successful exploitation may result in excessive CPU consumption, leading to a denial of service.
Exploits (1)
This repository contains an auto-generated stub module for CVE-2026-14258, a vulnerability in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. The code includes metadata and a placeholder structure but lacks actual exploit implementation for the zero-length Neighbor Discovery option bypass.
References (4)
Scores
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H