CVE-2021-3872

Heap-based Buffer Overflow in vim/vim

vim is vulnerable to Heap-based Buffer Overflow

Affected

vim · vim/vim

CVSS v3.1 NVD

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

CVSS v3.0 HUNTR

7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

1.49% chance of exploitation in the next 30 days, 74th percentile

Published

2021-10-19

Updated

2025-11-03

Proof-of-concept exploits (1)

• https://huntr.dev/bounties/c958013b-1c09-4939-92ca-92f50aa169e8

Security advisories

• vim/vim/commit/826bfe4bbd7594188e3d74d2539d9707b1c6a14b
• https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html
• https://security.gentoo.org/glsa/202208-32

References

• CVE Record
• NVD entry