GHSA-m4pr-4j3g-9v7v

GHSA-m4pr-4j3g-9v7v PUBLISHED CVSS 7.5 HIGH

During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls.

Risk Scores

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Timeline

Apr 8, 2026 CVE Published
Apr 8, 2026 CVE Updated
Apr 10, 2026 Security Advisory

References

https://nvd.nist.gov/vuln/detail/CVE-2026-32280 advisory
https://go.dev/cl/758320 url
https://go.dev/issue/78282 url
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU url
https://pkg.go.dev/vuln/GO-2026-4947 url

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