CVE-2025-66442 (GCVE-0-2025-66442)

Vulnerability from cvelistv5 – Published: 2026-04-01 00:00 – Updated: 2026-04-01 20:00
VLAI
Summary
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.
Severity
5.1 (Medium)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-01 19:59 UTC
CWE
  • n/a
  • CWE-385 - Covert Timing Channel
Assigner
References
Show details on NVD website
To clipboard 

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