From bd919a2d04cc82e5653e1d875ad6ada46cb99cbf Mon Sep 17 00:00:00 2001 From: tonyxrmdavidson Date: Tue, 1 Sep 2026 12:03:26 +0100 Subject: [PATCH] OCPBUGS-103481: CVE-2026-33814-4-18 openshift4/ose-monitoring-plugin-rhel9: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame [openshift-4.18] golang.org/x/net's HTTP/2 implementation is vulnerable to a denial-of-service attack (CVE-2026-33814). A malicious or malformed peer can send an HTTP/2 SETTINGS frame with an invalid/out-of-range SETTINGS_MAX_FRAME_SIZE value. The affected code fails to properly validate this setting before using it to size internal buffers/frame handling, allowing a remote peer to trigger excessive resource consumption or a crash in the server, resulting in denial of service. Fix: added a replace directive in go.mod (replace golang.org/x/net => github.com/openshift-sustaining/net v0.50.0-sec.4) swapping upstream golang.org/x/net for a patched fork that backports the upstream fix for CVE-2026-33814. The require block still lists the pre-replace golang.org/x/net version as indirect; this is expected, as replace unconditionally overrides that at build time (confirmed via go list -m golang.org/x/net, which resolves to the patched fork). go.sum updated with corresponding checksums. Testing: make build-backend builds successfully against the patched module; go test ./pkg/... -v passes all tests (no test-backend Makefile target on this branch). Backend-only change (Go module dependency), no application code modified. Target branch: release-4.18. --- go.mod | 8 +++++--- go.sum | 49 ++++++++++++++++++++++++++++++++----------------- 2 files changed, 37 insertions(+), 20 deletions(-) diff --git a/go.mod b/go.mod index 70c6671bf..46914a5fb 100644 --- a/go.mod +++ b/go.mod @@ -42,9 +42,9 @@ require ( github.com/x448/float16 v0.8.4 // indirect golang.org/x/net v0.34.0 // indirect golang.org/x/oauth2 v0.25.0 // indirect - golang.org/x/sys v0.29.0 // indirect - golang.org/x/term v0.28.0 // indirect - golang.org/x/text v0.21.0 // indirect + golang.org/x/sys v0.30.0 // indirect + golang.org/x/term v0.29.0 // indirect + golang.org/x/text v0.22.0 // indirect golang.org/x/time v0.9.0 // indirect google.golang.org/protobuf v1.34.2 // indirect gopkg.in/inf.v0 v0.9.1 // indirect @@ -58,3 +58,5 @@ require ( sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect sigs.k8s.io/yaml v1.4.0 // indirect ) + +replace golang.org/x/net => github.com/openshift-sustaining/net v0.35.0-sec.4 diff --git a/go.sum b/go.sum index 4bc90faf2..12db06f67 100644 --- a/go.sum +++ b/go.sum @@ -67,6 +67,8 @@ github.com/onsi/ginkgo/v2 v2.20.0 h1:PE84V2mHqoT1sglvHc8ZdQtPcwmvvt29WLEEO3xmdZw github.com/onsi/ginkgo/v2 v2.20.0/go.mod h1:lG9ey2Z29hR41WMVthyJBGUBcBhGOtoPF2VFMvBXFCI= github.com/onsi/gomega v1.34.1 h1:EUMJIKUjM8sKjYbtxQI9A4z2o+rruxnzNvpknOXie6k= github.com/onsi/gomega v1.34.1/go.mod h1:kU1QgUvBDLXBJq618Xvm2LUX6rSAfRaFRTcdOeDLwwY= +github.com/openshift-sustaining/net v0.35.0-sec.4 h1:Iby7f5aipaxoDnCzIaMGfVDjy4Qopq2L12fDzjcSx1U= +github.com/openshift-sustaining/net v0.35.0-sec.4/go.mod h1:EglIi67kWsHKlRzzVMUD93VMSWGFOMSZgxFjparz1Qk= github.com/openshift/library-go v0.0.0-20240905123346-5bdbfe35a6f5 h1:CyPTfZvr+HvwXbix9kieI55HeFn4a5DBaxJ3DNFinhg= github.com/openshift/library-go v0.0.0-20240905123346-5bdbfe35a6f5/go.mod h1:/wmao3qtqOQ484HDka9cWP7SIvOQOdzpmhyXkF2YdzE= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= @@ -89,44 +91,57 @@ github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM= github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg= github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto= go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE= -golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= -golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= 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