Resource exhaustion in Coredns

CVE-2025-47950

CoreDNS is a DNS server that chains plugins. In versions prior to 1.12.2, a Denial of Service (DoS) vulnerability exists in the CoreDNS DNS-over-QUIC (DoQ) server implementation. The server previously created a new goroutine for every inco…

EPSS: 0.012 (64.5th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-47950?
CVE-2025-47950 is a high-severity vulnerability in Coredns, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-06-06.
How severe is CVE-2025-47950?
High severity. CVSS v3 base score is 7.5 out of 10.