HIGH 7.5 Microsoft
CVE-2026-33811
Crash when handling long CNAME response in net
Microsoft Security Update 2026-May: Crash when handling long CNAME response in net
Affected Products
- azl3 golang 1.25.9-1 on Azure Linux 3.0
- azl3 golang 1.26.2-1 on Azure Linux 3.0
- azl3 golang 1.27.0-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33811
- https://nvd.nist.gov/vuln/detail/CVE-2026-33811
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-05-12 via Microsoft. Affected: azl3 golang 1.25.9-1 on Azure Linux 3.0, azl3 golang 1.26.2-1 on Azure Linux 3.0, azl3 golang 1.27.0-1 on Azure Linux 3.0.
vulnfeed aggregates 14357 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.