HIGH 7.5 Microsoft
CVE-2026-29181
OpenTelemetry-Go multi-value `baggage` header extraction causes excessive allocations (remote dos amplification)
Microsoft Security Update 2026-Apr: OpenTelemetry-Go multi-value `baggage` header extraction causes excessive allocations (remote dos amplification)
Affected Products
- azl3 containerd2 2.1.6-1 on Azure Linux 3.0
- azl3 containerized-data-importer 1.62.0-3 on Azure Linux 3.0
- azl3 gh 2.62.0-15 on Azure Linux 3.0
- azl3 telegraf 1.31.0-19 on Azure Linux 3.0
- azl3 azurelinux-image-tools 1.2.0-2 on Azure Linux 3.0
- azl3 cloud-provider-kubevirt 0.5.1-3 on Azure Linux 3.0
- azl3 containerd2 2.0.0-18 on Azure Linux 3.0
- azl3 containerized-data-importer 1.62.0-2 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-29181
- https://nvd.nist.gov/vuln/detail/CVE-2026-29181
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-04-14 via Microsoft. Affected: azl3 containerd2 2.1.6-1 on Azure Linux 3.0, azl3 containerized-data-importer 1.62.0-3 on Azure Linux 3.0, azl3 gh 2.62.0-15 on Azure Linux 3.0 and 5 more.
vulnfeed aggregates 9166 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.