[release-4.12] 🐛 OCPBUGS-102101: replace golang.org/x/net with openshift-sustaining/net v0.35.0-sec.4 for CVE-2026-33814

[amitesh1201]

Summary

• CVE: CVE-2026-33814 — HTTP/2 DoS via malformed SETTINGS_MAX_FRAME_SIZE=0
• Jira: https://issues.redhat.com/browse/OCPBUGS-102101
• Package: golang.org/x/net → github.com/openshift-sustaining/net v0.35.0-sec.4
• Risk: MEDIUM — http2 Transport via client-go; requires compromised API server

Go version constraint: upstream fix (>= v0.53.0) requires go 1.25; mitigated via backport fork replace.
Fix upstream: https://go.dev/cl/761640

Note: v0.35.0-sec.4 also includes CVE-2026-27136 html tokenization fix (https://go.dev/cl/781685).

Changes

• go.mod + hack/tools/go.mod: replace directive for golang.org/x/net
• go.sum + hack/tools/go.sum: updated checksums
• vendor/golang.org/x/net/http2/: patched (plus transitive x/sys, x/crypto, x/text vendor refresh)

Test Plan

• go build -mod=vendor ./... succeeds (Go 1.18)
• grep "^go " go.mod unchanged (go 1.17)
• make test passes

Made with Cursor

[openshift-merge-bot]

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[openshift-ci-robot]

@amitesh1201: This pull request references Jira Issue OCPBUGS-102101, which is invalid:

• expected dependent Jira Issue OCPBUGS-102293 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is ASSIGNED instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

Summary

• CVE: CVE-2026-33814 — HTTP/2 DoS via malformed SETTINGS_MAX_FRAME_SIZE=0
• Jira: https://issues.redhat.com/browse/OCPBUGS-102101
• Package: golang.org/x/net → github.com/openshift-sustaining/net v0.35.0-sec.4
• Risk: MEDIUM — http2 Transport via client-go; requires compromised API server

Go version constraint: upstream fix (>= v0.53.0) requires go 1.25; mitigated via backport fork replace.
Fix upstream: https://go.dev/cl/761640

Note: v0.35.0-sec.4 also includes CVE-2026-27136 html tokenization fix (https://go.dev/cl/781685).

Changes

• go.mod + hack/tools/go.mod: replace directive for golang.org/x/net
• go.sum + hack/tools/go.sum: updated checksums
• vendor/golang.org/x/net/http2/: patched (plus transitive x/sys, x/crypto, x/text vendor refresh)

Test Plan

• go build -mod=vendor ./... succeeds (Go 1.18)
• grep "^go " go.mod unchanged (go 1.17)
• make test passes

Made with Cursor

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[damdo]

/retest

[rissh]

/retest

[rissh]

/retest

[rissh]

/retest

[openshift-ci]

@amitesh1201: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/unit	958b006	link	true	/test unit

Full PR test history. Your PR dashboard.

Details

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