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Microsoft Security Response CenterCVE-2026-78663

Double flow control refund on HTTP/2 server streams in net/http

CriticalVendor CVSS 9.1 / 10 1 CVE Published Oct 11, 2026 at 1:47 AM UTC
Get alerts for azl3 cert-manager 1.12.15-14 on Azure Linux

Summary

Mariner

Products covered

  • azl3 cert-manager 1.12.15-14 on Azure Linux 3.0

  • azl3 cloud-provider-kubevirt 0.5.1-9 on Azure Linux 3.0

  • azl3 containerized-data-importer 1.62.0-8 on Azure Linux 3.0

  • azl3 etcd 3.5.33-1 on Azure Linux 3.0

  • azl3 influxdb 2.7.5-21 on Azure Linux 3.0

  • azl3 kata-containers 4.1.0.kata0-1 on Azure Linux 3.0

  • azl3 kata-containers-cc 3.15.0.aks0-21 on Azure Linux 3.0

  • azl3 keda 2.14.1-19 on Azure Linux 3.0

Show 13 more products

  • azl3 kube-vip-cloud-provider 0.0.10-10 on Azure Linux 3.0

  • azl3 kubernetes 1.30.10-30 on Azure Linux 3.0

  • azl3 kubevirt 1.8.4-2 on Azure Linux 3.0

  • azl3 moby-containerd-cc 1.7.7-17 on Azure Linux 3.0

  • azl3 moby-engine 25.0.3-20 on Azure Linux 3.0

  • azl3 opa 0.63.0-5 on Azure Linux 3.0

  • azl3 prometheus-adapter 0.12.0-10 on Azure Linux 3.0

  • azl3 httpd 2.4.68-1 on Azure Linux 3.0

  • azl3 golang 1.26.7-1 on Azure Linux 3.0

  • azl3 golang 1.27.1-1 on Azure Linux 3.0

  • azl3 gcc 13.2.0-7 on Azure Linux 3.0

  • azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0

  • azl3 tensorflow 2.16.1-11 on Azure Linux 3.0

Remediation

Release Notes

Vendor-listed fixes

  • 1.12.15-15

  • 0.5.1-10

  • 1.62.0-9

  • 2.7.5-22

  • 2.14.1-22

  • 0.0.10-11

  • 1.8.4-4

  • 0.12.0-12

Show 2 more fixes

  • 1.7.0-6

  • 0.8.2-6

CVEs in this advisory 1

CVE-2026-78663
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.

    • Added fixed versions: 2.7.5-22.
    • Added fixed versions: 0.12.0-12, 1.8.4-4, 2.14.1-22.
    • Added affected products: azl3 gcc 13.2.0-7 on Azure Linux 3.0, azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0, azl3 tensorflow 2.16.1-11 on Azure Linux 3.0.
    • Added fixed versions: 0.0.10-11, 0.5.1-10, 0.8.2-6, 1.7.0-6, 1.12.15-15.
    • Added affected products: azl3 golang 1.26.7-1 on Azure Linux 3.0, azl3 golang 1.27.1-1 on Azure Linux 3.0.
    • Removed affected products: azl3 azurelinux-image-tools 1.6.0-3 on Azure Linux 3.0, azl3 cf-cli 8.7.11-9 on Azure Linux 3.0, azl3 containerd2 2.3.4-1 on Azure Linux 3.0, azl3 coredns 1.11.4-21 on Azure Linux 3.0, azl3 cri-tools 1.32.0-8 on Azure....
    • Added affected products: azl3 azurelinux-image-tools 1.6.0-3 on Azure Linux 3.0, azl3 cert-manager 1.12.15-14 on Azure Linux 3.0, azl3 cf-cli 8.7.11-9 on Azure Linux 3.0, azl3 cloud-provider-kubevirt 0.5.1-9 on Azure Linux 3.0, azl3 containerd2....

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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