RHSA-2026:99087HighCVSS 7.5

Red Hat Security Advisory: go-fdo-client security update

Published
November 11, 2026
Last Modified
November 13, 2026

🔗 CVE IDs covered (2)

CVE-2026-78669 →CVE-2026-111943 →

📋 Description

CVE-2026-78669 — net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames CVE-2026-111943 — crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates

🎯 Affected products8

  • Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-client-0:1.0.0-4.el10_2.9.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-client-0:1.0.0-4.el10_2.9.src as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-client-0:1.0.0-4.el10_2.9.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-client-debuginfo-0:1.0.0-4.el10_2.9.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-client-debuginfo-0:1.0.0-4.el10_2.9.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-client-debugsource-0:1.0.0-4.el10_2.9.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-client-debugsource-0:1.0.0-4.el10_2.9.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: In case you consume HTTP2, upgrade to a patched version of the http module. Verify: ``` go version go list -m golang.org/x/net govulncheck ./... ``` Workaround: See the security bulletin for a detailed mitigation procedure.

🔗 References (5)