# CVE-2021-46854: proftpd-dfsg: mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 charact...

CVE-2021-46854 is fixed in proftpd-dfsg on 1 platform, first by DEBIAN-CVE-2021-46854, released November 23, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-46854
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0126
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 23, 2022

## Description

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | proftpd-dfsg Debian 12.15 (bookworm) | 1.3.7c+dfsg-1 | [DEBIAN-CVE-2021-46854](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46854.md) | Nov 23, 2022 |
| Linux | proftpd-dfsg Debian 13.5 (trixie) | 1.3.7c+dfsg-1 | [DEBIAN-CVE-2021-46854](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46854.md) | Nov 23, 2022 |
| Linux | proftpd-dfsg Debian 14 | 1.3.7c+dfsg-1 | [DEBIAN-CVE-2021-46854](https://patchblox.com/security/data/fix/linux/debian-cve-2021-46854.md) | Nov 23, 2022 |

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Data as of 2026-11-09T19:38:12Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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