HIGH 7.5 Microsoft
CVE-2026-32283
Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls
Microsoft Security Update 2026-Apr: Unauthenticated TLS 1.3 KeyUpdate record can cause persistent connection retention and DoS in crypto/tls
Affected Products
- cbl2 gcc 11.2.0-9 on CBL Mariner 2.0
- azl3 gcc 13.2.0-7 on Azure Linux 3.0
- cbl2 golang 1.18.8-10 on CBL Mariner 2.0
- cbl2 golang 1.22.7-5 on CBL Mariner 2.0
- azl3 golang 1.25.8-1 on Azure Linux 3.0
- azl3 golang 1.26.1-1 on Azure Linux 3.0
- cbl2 msft-golang 1.25.8-1 on CBL Mariner 2.0
- cbl2 python-tensorboard 2.11.0-3 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32283
- https://nvd.nist.gov/vuln/detail/CVE-2026-32283
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-04-14 via Microsoft. Affected: cbl2 gcc 11.2.0-9 on CBL Mariner 2.0, azl3 gcc 13.2.0-7 on Azure Linux 3.0, cbl2 golang 1.18.8-10 on CBL Mariner 2.0 and 5 more.
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