CVE-2026-14258
An attacker from an adjacent network can exploit a vulnerability in dhcpcd to perform a Denial of Service attack.
CSIRTS triage
- What
- An adjacent network attacker can trigger a denial of service condition in dhcpcd.
- Who is affected
- Systems running dhcpcd that are exposed to adjacent network attackers.
- Urgency
- Medium severity; no evidence of active exploitation but DoS can impact network availability.
- Action
- Check dhcpcd version and apply the latest security update when available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all EPSS-scored CVEs.
Advisory coverage (4)
- medium[NEW] [medium] dhcpcd: Vulnerability enables Denial of Servicecert-bund · 2026-08-17
- mediumCVE-2026-14258: Dhcpcd: dhcpcd infinite loop and out-of-bounds read via zero-length ipv6 nd option in router a…msrc · 2026-07-14
- unknownMultiple vulnerabilities in Microsoft Azure Linux (July 7, 2026)cert-fr-avis · 2026-07-07
- mediumCVE-2026-14258: A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specia…nvd · 2026-07-01
External references
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