CVE-2025-8556: GO-2025-3754 - CIRCL-Fourq: Missing and wrong validation can lead to incorrect results in github.com/cloudflare/circl

CVE-2025-8556 · Severity: low · CVSS 3.1 · Published 2025-06-11

CIRCL-Fourq: Missing and wrong validation can lead to incorrect results in github.com/cloudflare/circl

Technologies: github.com/cloudflare/circl (Go). Vendors: Go.

Quick answers

Is CVE-2025-8556 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-8556 being exploited in the wild.
How severe is CVE-2025-8556?
Low severity, with a CVSS score of 3.1, published 11 June 2025.
Which products and versions are affected?
github.com/cloudflare/circl (Go) SEMVER:introduced=0,fixed=1.6.1.
Is there a fix for CVE-2025-8556?
Yes. github.com/cloudflare/circl (Go): upgrade to 1.6.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-8556?
Check whether you run github.com/cloudflare/circl (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/cloudflare/circl (Go): upgrade to 1.6.1 or later
    go get github.com/cloudflare/circl@v1.6.1

Affected products

  • github.com/cloudflare/circl (Go) SEMVER:introduced=0,fixed=1.6.1

Identifiers

  • CVE-2025-8556
  • GHSA-2x5j-vhc8-9cwm
  • GO-2025-3754

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