What’s Vulnerable › Vulnerabilities

CVE-2019-20079

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-30 · updated 2026-06-17
• Weakness: CWE-416

Description

The autocmd feature in window.c in Vim before 8.1.2136 accesses freed memory.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04, 19.10
• vim/vim: from 8.1.2121 before 8.1.2136 — fixed in 8.1.2136

How to fix

Upgrade to a fixed version: vim/vim 8.1.2136. Check the vendor advisory for mitigations.

References

• https://github.com/vim/vim/commit/ec66c41d84e574baf8009dbc0bd088d2bc5b2421
• https://github.com/vim/vim/compare/v8.1.2135...v8.1.2136
• https://packetstormsecurity.com/files/154898
• https://usn.ubuntu.com/4309-1/
• https://github.com/vim/vim/commit/ec66c41d84e574baf8009dbc0bd088d2bc5b2421
• https://github.com/vim/vim/compare/v8.1.2135...v8.1.2136
• https://packetstormsecurity.com/files/154898
• https://usn.ubuntu.com/4309-1/

Get alerted when CVE-2019-20079 or the next vulnerability affects your stack