CVE-2021-42583: Foxcpp Maddy

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A Broken or Risky Cryptographic Algorithm exists in Max Mazurov Maddy before 0.5.2, which is an unnecessary risk that may result in the exposure of sensitive information.

Affected products

• Foxcpp Maddy: before 0.5.2 (fixed in 0.5.2)

Published 2021-12-28. Last modified 2026-06-17.