CVE-2021-4136

vim is vulnerable to Heap-based Buffer Overflow

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-25)

CWEs

CWE-122, CWE-787

Published

2021-12-19

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• apple:mac_os_x
• apple:macos
• fedoraproject:fedora
• 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/605ec91e5a7330d61be313637e495fa02a6dc264

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