CVE-2021-46671: Atftp Project Atftp

Medium severity, CVSS 5.3. EPSS: 1.3% chance of exploitation in the next 30 days.

options.c in atftp before 0.7.5 reads past the end of an array, and consequently discloses server-side /etc/group data to a remote client.

Affected products

• Atftp Project Atftp: before 0.7.5 (fixed in 0.7.5)
• Debian Debian Linux: version 9.0 only; version 10.0 only; version 11.0 only

Published 2022-02-04. Last modified 2026-06-17.