CVE-2022-31246

MEDIUM 5.5CVE-2022-31246 · Published 17/06/2022 · updated 17/06/2026

In short

CVE-2022-31246 is a MEDIUM (CVSS 5.5) vulnerability affecting electrum (electrum).
Chance of exploitation in the next 30 days (EPSS): 0.83%, higher than 57.8% of all vulnerabilities.
Fix: update to 4.2.2 or later.

Package	Affected versions	Patched versions
electrum electrum	`< 4.2.2`	`4.2.2`

Description

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.

References

spesmilo/electrum security advisory · Third Party Advisory
twitter.com/ElectrumWallet/status/1534540879905665028 · Release Notes

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