CVE-2021-3974: Debian Linux

High severity, CVSS 7.8. EPSS: 1.4% chance of exploitation in the next 30 days.

vim is vulnerable to Use After Free

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only
• Fedoraproject Fedora: version 34 only; version 35 only
• Vim Vim: before 8.2.3612 (fixed in 8.2.3612)

Published 2021-11-19. Last modified 2026-10-08.