AUGUST 4, 2026
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Case File

CVE-2025-66442

MEDIUM · CVSS 5.1 EPSS 0.27% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-04-01 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.1. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2025-66442
Severity
MEDIUM
CVSS
5.1
EPSS
0.27%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)