CVE-2022-31246: Electrum

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within QR code data). On Windows, this can lead to capture of credentials over SMB. On Linux and UNIX, it can lead to a denial of service by specifying the /dev/zero filename.

Affected products

• Electrum Electrum: before 4.2.2 (fixed in 4.2.2)

Published 2022-06-17. Last modified 2026-06-17.