HIGH 8.6 Microsoft
CVE-2026-5435
Potential buffer overflow in ns_sprintrrf TSIG handling path
Microsoft Security Update 2026-Apr: Potential buffer overflow in ns_sprintrrf TSIG handling path
Affected Products
- azl3 glibc 2.38-19 on Azure Linux 3.0
- cbl2 glibc 2.35-10 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-5435
- https://nvd.nist.gov/vuln/detail/CVE-2026-5435
This high severity vulnerability with a CVSS score of 8.6 was published on 2026-04-14 via Microsoft. Affected: azl3 glibc 2.38-19 on Azure Linux 3.0, cbl2 glibc 2.35-10 on CBL Mariner 2.0.
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