What is CVE-2025-68151?

CVE-2025-68151 is a high-severity vulnerability in Coredns, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-01-08.

How severe is CVE-2025-68151?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Coredns

CVE-2025-68151

CoreDNS is a DNS server that chains plugins. Prior to version 1.14.0, multiple CoreDNS server implementations (gRPC, HTTPS, and HTTP/3) lack critical resource-limiting controls. An unauthenticated remote attacker can exhaust memory and deg…

EPSS: 0.004 (33.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Coredns — versions < 1.14.0
Coredns.io Coredns

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-68151?: CVE-2025-68151 is a high-severity vulnerability in Coredns, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-01-08.
How severe is CVE-2025-68151?: High severity. CVSS v3 base score is 7.5 out of 10.