HIGH 8.8 Microsoft
CVE-2026-6473
PostgreSQL server undersizes allocations, via integer wraparound
Microsoft Security Update 2026-May: PostgreSQL server undersizes allocations, via integer wraparound
Affected Products
- azl3 rust 1.75.0-28 on Azure Linux 3.0
- azl3 postgresql 16.12-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6473
- https://nvd.nist.gov/vuln/detail/CVE-2026-6473
This high severity vulnerability with a CVSS score of 8.8 was published on 2026-05-12 via Microsoft. Affected: azl3 rust 1.75.0-28 on Azure Linux 3.0, azl3 postgresql 16.12-1 on Azure Linux 3.0.
vulnfeed aggregates 9214 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.