CVE-2022-1621

Name: CVE-2022-1621
Creator: NVD / NIST
Published: 2022-05-10T14:15:08.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 2.28%

Last modified Jun 17, 2026

CVE-2022-1621 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Heap buffer overflow in vim_strncpy find_word in GitHub repository vim/vim prior to 8.2.4919. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution. EPSS estimates a 2.28% chance of exploitation in the next 30 days.

Description

Heap buffer overflow in vim_strncpy find_word in GitHub repository vim/vim prior to 8.2.4919. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution

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

2.28%

80.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Vim	Vim	< 8.2.4919
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Fedoraproject	Fedora	34
Fedoraproject	Fedora	35
Apple	Macos	< 13.0

References

http://seclists.org/fulldisclosure/2022/Oct/28Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/41Mailing List, Third Party Advisory
https://github.com/vim/vim/commit/7c824682d2028432ee082703ef0ab399867a089bPatch, Third Party Advisory
https://huntr.dev/bounties/520ce714-bfd2-4646-9458-f52cd22bb2fbExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00022.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00032.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIP7KG7TVS5YF3QREAY2GOGUT3YUBZAI/
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/28Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/41Mailing List, Third Party Advisory
https://github.com/vim/vim/commit/7c824682d2028432ee082703ef0ab399867a089bPatch, Third Party Advisory
https://huntr.dev/bounties/520ce714-bfd2-4646-9458-f52cd22bb2fbExploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00022.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00032.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HIP7KG7TVS5YF3QREAY2GOGUT3YUBZAI/
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 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-1621?

How severe is CVE-2022-1621?

CVE-2022-1621 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.

How do I fix CVE-2022-1621?

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-2022-1621?

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

Scan your code now

Source: NVD / NIST