# CVE-2022-31246: electrum: paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g., within...

CVE-2022-31246 is fixed in electrum on 1 platform, first by DEBIAN-CVE-2022-31246, released June 17, 2022. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-31246
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0083
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 17, 2022

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | electrum Debian 12.15 (bookworm) | 4.3.2+dfsg1-1 | [DEBIAN-CVE-2022-31246](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31246.md) | Jun 17, 2022 |
| Linux | electrum Debian 13.5 (trixie) | 4.3.2+dfsg1-1 | [DEBIAN-CVE-2022-31246](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31246.md) | Jun 17, 2022 |
| Linux | electrum Debian 14 | 4.3.2+dfsg1-1 | [DEBIAN-CVE-2022-31246](https://patchblox.com/security/data/fix/linux/debian-cve-2022-31246.md) | Jun 17, 2022 |

---

Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.