CVE-2021-44717: Debian Linux

Medium severity, CVSS 4.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Go before 1.16.12 and 1.17.x before 1.17.5 on UNIX allows write operations to an unintended file or unintended network connection as a consequence of erroneous closing of file descriptor 0 after file-descriptor exhaustion.

Affected products

• Debian Debian Linux: version 9.0 only
• Golang Go: before 1.16.12 (fixed in 1.16.12); from 1.17.0, before 1.17.5 (fixed in 1.17.5)

Published 2022-01-01. Last modified 2026-06-17.