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CVE-2026-56116: dhcpcd from 10.0.7 (inclusive), before 10.5.0 (exclusive), 10.0.7 through 10.3.2
CVE-2026-56116. CVSS 3.1 base score 6.5 (MEDIUM, Vendor/CNA). EPSS 0.00288 (percentile 0.19581), scored 2026-10-08.
Affected technology
dhcpcd · from 10.0.7 (inclusive), before 10.5.0 (exclusive)
dhcpcd project
dhcpcd · 10.0.7 through 10.3.2
NetworkConfiguration
Description’s affected range: through 10.3.2, fixed in commit 708b4a5,
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Adjacent network · No privileges required · No user interaction required
What an attacker can do
An unauthenticated same-link attacker can cause denial of service by sending crafted Router Advertisements. Vendor/CNA’s CVSS 4.0 assessment (base score 7.1/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-401
- CCR priority
- 26.1 /100 (P4)
- CVSS 3.1
- 6.5 /10 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
- EPSS
- 0.00288 · percentile 0.19581 · 2026-10-08
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-08 18:34:48.508309+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-56116.html