CVE-2026-14258
Discovered by AISLEPUBLISHEDCWE-835
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.
CVSS Base Scores
CVSS v3.1(Primary)
6.5CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Version | Status |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
Credits
- Red Hat would like to thank AISLE Research for reporting this issue.