CVE-2019-20079

Name: CVE-2019-20079
Creator: NVD / NIST
Published: 2019-12-30T01:15:12.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.89%

Last modified Jun 17, 2026

CVE-2019-20079 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The autocmd feature in window.c in Vim before 8.1.2136 accesses freed memory.. EPSS estimates a 1.89% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.89%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Vim	Vim	>= 8.1.2121, < 8.1.2136
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.10

References

https://github.com/vim/vim/commit/ec66c41d84e574baf8009dbc0bd088d2bc5b2421Patch, Third Party Advisory
https://github.com/vim/vim/compare/v8.1.2135...v8.1.2136Patch, Third Party Advisory
https://packetstormsecurity.com/files/154898Third Party Advisory, VDB Entry
https://usn.ubuntu.com/4309-1/Third Party Advisory
https://github.com/vim/vim/commit/ec66c41d84e574baf8009dbc0bd088d2bc5b2421Patch, Third Party Advisory
https://github.com/vim/vim/compare/v8.1.2135...v8.1.2136Patch, Third Party Advisory
https://packetstormsecurity.com/files/154898Third Party Advisory, VDB Entry
https://usn.ubuntu.com/4309-1/Third Party Advisory

Timeline

Published: Dec 30, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20079?

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

How severe is CVE-2019-20079?

CVE-2019-20079 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20079?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20079?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST