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Microsoft Security Response CenterCVE-2026-33814

Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net

HighVendor CVSS 7.5 / 10 1 CVE Published May 10, 2026 at 1:02 AM UTC
Get alerts for azl3 golang 1.25.9-1 on Azure Linux

Summary

Mariner

Products covered

  • azl3 golang 1.25.9-1 on Azure Linux 3.0

  • azl3 golang 1.26.2-1 on Azure Linux 3.0

  • azl3 application-gateway-kubernetes-ingress 1.7.7-3 on Azure Linux 3.0

  • azl3 azurelinux-image-tools 1.2.0-2 on Azure Linux 3.0

  • azl3 containerd2 2.1.6-2 on Azure Linux 3.0

  • azl3 containerized-data-importer 1.62.0-3 on Azure Linux 3.0

  • azl3 etcd 3.5.28-1 on Azure Linux 3.0

  • azl3 ignition-flatcar 2.22.0-2 on Azure Linux 3.0

Show 18 more products

  • azl3 kata-containers 3.19.1.kata3-1 on Azure Linux 3.0

  • azl3 kata-containers-cc 3.15.0.aks0-9 on Azure Linux 3.0

  • azl3 kubevirt 1.7.1-2 on Azure Linux 3.0

  • azl3 packer 1.9.5-13 on Azure Linux 3.0

  • azl3 golang 1.24.13-1 on Azure Linux 3.0

  • azl3 azurelinux-image-tools 1.4.0-2 on Azure Linux 3.0

  • azl3 kata-containers 3.19.1.kata3-4 on Azure Linux 3.0

  • azl3 packer 1.9.5-15 on Azure Linux 3.0

  • azl3 cert-manager 1.12.15-6 on Azure Linux 3.0

  • azl3 application-gateway-kubernetes-ingress 1.7.7-5 on Azure Linux 3.0

  • azl3 cert-manager 1.12.15-9 on Azure Linux 3.0

  • azl3 containerd2 2.2.4-2 on Azure Linux 3.0

  • azl3 containerized-data-importer 1.62.0-6 on Azure Linux 3.0

  • azl3 etcd 3.5.30-2 on Azure Linux 3.0

  • azl3 ignition-flatcar 2.22.0-5 on Azure Linux 3.0

  • azl3 kata-containers-cc 3.15.0.aks0-12 on Azure Linux 3.0

  • azl3 kubevirt 1.7.1-7 on Azure Linux 3.0

  • azl3 kubevirt-openvmm 1.9.0-1 on Azure Linux 3.0

Remediation

CBL-Mariner Releases Release Notes

Vendor-listed fixes

  • 1.26.3-1

  • 1.7.7-4

  • 1.3.0-2

  • 2.1.6-4

  • 1.62.0-4

  • 3.5.30-2

  • 2.22.0-4

  • 3.19.1.kata3-3

Show 14 more fixes

  • 3.15.0.aks0-11

  • 1.7.1-4

  • 1.9.5-14

  • 1.4.0-2

  • 3.19.1.kata3-4

  • 1.9.5-15

  • 1.12.15-7

  • 1.7.7-5

  • 1.12.15-9

  • 2.2.4-2

  • 1.62.0-6

  • 2.22.0-5

  • 3.15.0.aks0-12

  • 1.7.1-7

CVEs in this advisory 1

CVE-2026-33814
Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Severity changed from Medium to High.
    • Added affected products: azl3 kubevirt-openvmm 1.9.0-1 on Azure Linux 3.0.
    • The vendor changed its remediation guidance.

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

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