CVE-2026-14258
- Source
- https://cve.org/CVERecord?id=CVE-2026-14258
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-14258.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-14258
- Downstream
- Published
- 2026-07-01T09:24:51.479Z
- Modified
- 2026-07-08T07:59:47.445596944Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length ipv6 nd option in router advertisement handling
- Details
-
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.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14258.json", "cwe_ids": [ "CWE-835" ], "cna_assigner": "redhat" }- References
-
- https://access.redhat.com/downloads/content/package-browser/
- https://access.redhat.com/security/cve/CVE-2026-14258
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/14xxx/CVE-2026-14258.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-14258
- https://bugzilla.redhat.com/show_bug.cgi?id=2462305
- https://github.com/NetworkConfiguration/dhcpcd/issues/415
- https://github.com/NetworkConfiguration/dhcpcd/commit/75289ca