CVE-2022-1620

Name: CVE-2022-1620
Creator: NVD / NIST
Published: 2022-05-08T11:15:07.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2022-1620 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 in GitHub repository vim/vim prior to 8.2.4901. NULL Pointer Dereference in function vim_regexec_string at regexp.c:2729 allows attackers to cause a denial of service (application crash) via a crafted input.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.50%

71.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vim	Vim	< 8.2.4901
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36
Apple	Macos	< 13.0

References

http://seclists.org/fulldisclosure/2022/Oct/28
http://seclists.org/fulldisclosure/2022/Oct/41Mailing List, Third Party Advisory
https://github.com/vim/vim/commit/8e4b76da1d7e987d43ca960dfbc372d1c617466fPatch, Third Party Advisory
https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995d-5ca6acd2da51Exploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6BY5P7ERZS7KXSBCGFCOXLMLGWUUJIH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIP7KG7TVS5YF3QREAY2GOGUT3YUBZAI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUN33257RUM4RS2I4GZETKFSAXPETATG/
https://security.gentoo.org/glsa/202208-32Third Party Advisory
https://security.gentoo.org/glsa/202305-16
https://support.apple.com/kb/HT213488Third Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/28
http://seclists.org/fulldisclosure/2022/Oct/41Mailing List, Third Party Advisory
https://github.com/vim/vim/commit/8e4b76da1d7e987d43ca960dfbc372d1c617466fPatch, Third Party Advisory
https://huntr.dev/bounties/7a4c59f3-fcc0-4496-995d-5ca6acd2da51Exploit, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6BY5P7ERZS7KXSBCGFCOXLMLGWUUJIH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIP7KG7TVS5YF3QREAY2GOGUT3YUBZAI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JUN33257RUM4RS2I4GZETKFSAXPETATG/
https://security.gentoo.org/glsa/202208-32Third Party Advisory
https://security.gentoo.org/glsa/202305-16
https://support.apple.com/kb/HT213488Third Party Advisory

Timeline

Published: May 8, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-1620?

How severe is CVE-2022-1620?

CVE-2022-1620 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2022-1620?

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-2022-1620?

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

Scan your code now

Source: NVD / NIST