CVE-2022-1381: global heap buffer overflow in skip_range in vim/vim

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-04-18 · updated 2026-06-17
Weakness: CWE-122

Description

global heap buffer overflow in skip_range in GitHub repository vim/vim prior to 8.2.4763. This vulnerability is capable of crashing software, Bypass Protection Mechanism, Modify Memory, and possible remote execution

Affected products

Apple macOS: before 13.0 — fixed in 13.0
Fedoraproject Fedora: 34, 35, 36
vim/vim: before 8.2.4763 — fixed in 8.2.4763

How to fix

Upgrade to a fixed version: Apple macOS 13.0; vim/vim 8.2.4763. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2022/Oct/28
http://seclists.org/fulldisclosure/2022/Oct/41
https://github.com/vim/vim/commit/f50808ed135ab973296bca515ae4029b321afe47
https://huntr.dev/bounties/55f9c0e8-c221-48b6-a00e-bdcaebaba4a4
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVPZVE2CIE2NGCHZDMEHPBWN3LK2UQAA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X6E457NYOIRWBJHKB7ON44UY5AVTG4HU/
https://security.gentoo.org/glsa/202208-32
https://security.gentoo.org/glsa/202305-16
https://support.apple.com/kb/HT213488
http://seclists.org/fulldisclosure/2022/Oct/28
http://seclists.org/fulldisclosure/2022/Oct/41
https://github.com/vim/vim/commit/f50808ed135ab973296bca515ae4029b321afe47

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