MEDIUM 6.5 Microsoft
CVE-2025-61727
Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509
Microsoft Security Update 2026-Aug: Improper application of excluded DNS name constraints when verifying wildcard names in crypto/x509
Affected Products
- cbl2 golang 1.18.8-10 on CBL Mariner 2.0
- azl3 golang 1.26.0-1 on Azure Linux 3.0
- azl3 golang 1.25.7-1 on Azure Linux 3.0
- azl3 golang 1.25.8-1 on Azure Linux 3.0
- cbl2 msft-golang 1.25.8-1 on CBL Mariner 2.0
- cbl2 golang 1.22.7-5 on CBL Mariner 2.0
- azl3 golang 1.23.12-1 on Azure Linux 3.0
- azl3 golang 1.25.5-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-61727
- https://nvd.nist.gov/vuln/detail/CVE-2025-61727
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-08-06 via Microsoft. Affected: cbl2 golang 1.18.8-10 on CBL Mariner 2.0, azl3 golang 1.26.0-1 on Azure Linux 3.0, azl3 golang 1.25.7-1 on Azure Linux 3.0 and 5 more.
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