UNKNOWN Microsoft
CVE-2026-84445
gRPC-Go: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers in the xDS servers
Microsoft Security Update 2026-Sep: gRPC-Go: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers in the xDS servers
Affected Products
- azl3 azcopy 10.25.1-8 on Azure Linux 3.0
- azl3 azurelinux-image-tools 1.6.0-2 on Azure Linux 3.0
- azl3 cert-manager 1.12.15-12 on Azure Linux 3.0
- azl3 cf-cli 8.7.11-8 on Azure Linux 3.0
- azl3 cloud-provider-kubevirt 0.5.1-7 on Azure Linux 3.0
- azl3 containerd2 2.2.4-8 on Azure Linux 3.0
- azl3 containerized-data-importer 1.62.0-7 on Azure Linux 3.0
- azl3 coredns 1.11.4-20 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84445
- https://nvd.nist.gov/vuln/detail/CVE-2026-84445
This unknown severity vulnerability was published on 2026-09-08 via Microsoft. Affected: azl3 azcopy 10.25.1-8 on Azure Linux 3.0, azl3 azurelinux-image-tools 1.6.0-2 on Azure Linux 3.0, azl3 cert-manager 1.12.15-12 on Azure Linux 3.0 and 5 more.
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