RHSA-2026:99038HighCVSS 7.5

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

Published
November 11, 2026
Last Modified
November 12, 2026

🔗 CVE IDs covered (3)

CVE-2026-78669 →CVE-2026-97031 →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-2026-97031 — crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references CVE-2026-111943 — crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates

🎯 Affected products11

  • Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-0:1.0.1-2.el10_2.6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-0:1.0.1-2.el10_2.6.src as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-0:1.0.1-2.el10_2.6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-debuginfo-0:1.0.1-2.el10_2.6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-debuginfo-0:1.0.1-2.el10_2.6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-debugsource-0:1.0.1-2.el10_2.6.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-debugsource-0:1.0.1-2.el10_2.6.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-manufacturer-0:1.0.1-2.el10_2.6.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-owner-0:1.0.1-2.el10_2.6.noarch as a component of Red Hat Enterprise Linux AppStream EUS (v.10.2)
  • go-fdo-server-rendezvous-0:1.0.1-2.el10_2.6.noarch 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: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: See the security bulletin for a detailed mitigation procedure.

🔗 References (6)