CVE-2025-47950: GO-2025-3743 - CoreDNS Vulnerable to DoQ Memory Exhaustion via Stream Amplification in github.com/coredns/coredns

CVE-2025-47950 · Severity: low · CVSS 3.1 · Published 2025-06-10

CoreDNS Vulnerable to DoQ Memory Exhaustion via Stream Amplification in github.com/coredns/coredns

Technologies: github.com/coredns/coredns (Go). Vendors: Go.

Quick answers

Is CVE-2025-47950 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-47950 being exploited in the wild.
How severe is CVE-2025-47950?
Low severity, with a CVSS score of 3.1, published 10 June 2025.
Which products and versions are affected?
github.com/coredns/coredns (Go) SEMVER:introduced=0,fixed=1.12.2.
Is there a fix for CVE-2025-47950?
Yes. github.com/coredns/coredns (Go): upgrade to 1.12.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-47950?
Check whether you run github.com/coredns/coredns (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/coredns/coredns (Go): upgrade to 1.12.2 or later
    go get github.com/coredns/coredns@v1.12.2

Affected products

  • github.com/coredns/coredns (Go) SEMVER:introduced=0,fixed=1.12.2

Identifiers

  • CVE-2025-47950
  • GHSA-cvx7-x8pj-x2gw
  • GO-2025-3743

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