MEDIUM 5.1 Microsoft
CVE-2025-66442
In Mbed TLS through 4.0.0, there is a compiler-induced timing side channel (in RSA and CBC/ECB decryption) that only occurs with LLVM's select-optimize feature. TF-PSA-Crypto through 1.0.0 is also affected.
Microsoft Security Update 2026-Apr: In Mbed TLS through 4.0.0, there is a compiler-induced timing side channel (in RSA and CBC/ECB decryption) that only occurs with LLVM's select-optimize feature. TF-PSA-Crypto through 1.0.0 is also affected.
Affected Products
- azl3 nodejs24 24.14.1-2 on Azure Linux 3.0
- azl3 nodejs 24.14.1-3 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-66442
- https://nvd.nist.gov/vuln/detail/CVE-2025-66442
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-04-14 via Microsoft. Affected: azl3 nodejs24 24.14.1-2 on Azure Linux 3.0, azl3 nodejs 24.14.1-3 on Azure Linux 3.0.
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