[UPDATE] [mittel] dhcpcd: Mehrere Schwachstellen ermöglichen Denial of Service
Ein Angreifer kann mehrere Schwachstellen in dhcpcd ausnutzen, um einen Denial of Service Angriff durchzuführen.
CSIRTS triage
- What
- Multiple vulnerabilities in dhcpcd allow an attacker to carry out a Denial of Service attack.
- Who is affected
- Deployments of dhcpcd are affected by these vulnerabilities.
- Urgency
- Immediate remediation is advised as these vulnerabilities can disrupt service.
- Action
- Update dhcpcd to the latest version to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2046
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-561130.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-561140.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-561150.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-561160.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 21% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-561170.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-56113 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56114 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56115 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56116 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56117 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for dhcpcd
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[NEW] [medium] dhcpcd: Vulnerability enables Denial of Servicecert-bund · 2026-08-17
- medium[NEW] [medium] dhcpcd: Vulnerability allows denial of servicecert-bund · 2026-07-16
- 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
- mediumCVE-2026-14258: A flaw was found in dhcpcd's IPv6 Neighbor Discovery Router Advertisement processing. A specia…nvd · 2026-07-01
- mediumCVE-2026-56116: dhcpcd Memory Leak DoS via IPv6 Router Advertisement Handlingmsrc · 2026-06-09
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