HIGH 7.3 Microsoft
CVE-2026-31789
Heap Buffer Overflow in Hexadecimal Conversion
Microsoft Security Update 2026-Apr: Heap Buffer Overflow in Hexadecimal Conversion
Affected Products
- azl3 openssl 3.3.5-4 on Azure Linux 3.0
- azl3 nodejs24 24.14.1-2 on Azure Linux 3.0
- azl3 qemu 9.1.0-5 on Azure Linux 3.0
- cbl2 cloud-hypervisor-cvm 38.0.72.2-5 on CBL Mariner 2.0
- azl3 cloud-hypervisor 48.0.246-4 on Azure Linux 3.0
- azl3 nodejs24 24.13.0-3 on Azure Linux 3.0
- azl3 qemu 9.1.0-1 on Azure Linux 3.0
- azl3 rust 1.75.0-27 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31789
- https://nvd.nist.gov/vuln/detail/CVE-2026-31789
This high severity vulnerability with a CVSS score of 7.3 was published on 2026-04-14 via Microsoft. Affected: azl3 openssl 3.3.5-4 on Azure Linux 3.0, azl3 nodejs24 24.14.1-2 on Azure Linux 3.0, azl3 qemu 9.1.0-5 on Azure Linux 3.0 and 5 more.
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