CVE-2021-4166

vim is vulnerable to Out-of-bounds Read

CVSS 3.1

7.1CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

EPSS

1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-25)

CWE

CWE-125

Published

2021-12-25

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• apple:mac_os_x
• apple:macos
• debian:debian_linux
• fedoraproject:fedora
• opensuse:factory
• redhat:enterprise_linux
• suse:linux_enterprise
• vim:vim

References

• http://seclists.org/fulldisclosure/2022/Jul/14
• http://seclists.org/fulldisclosure/2022/Mar/29
• http://seclists.org/fulldisclosure/2022/May/35
• http://www.openwall.com/lists/oss-security/2022/01/15/1
• https://github.com/vim/vim/commit/6f98371532fcff911b462d51bc64f2ce8a6ae682

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