CVE-2021-3872

HIGH

vim - Buffer Overflow

Title source: llm

Description

vim is vulnerable to Heap-based Buffer Overflow

References (7)

[Patch, Third Party Advisory] https://github.com/vim/vim/commit/826bfe4bbd7594188e3d74d2539d9707b1c6a14b

View Patch ZIP pw:eip

[Exploit, Patch, Third Party Advisory] https://huntr.dev/bounties/c958013b-1c09-4939-92ca-92f50aa169e8

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html

[Third Party Advisory] https://security.gentoo.org/glsa/202208-32

[Mailing List] https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/

Scores

CVSS v3 7.8

EPSS 0.0015

EPSS Percentile 36.1%

Attack Vector LOCAL

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

Classification

CWE

CWE-122 CWE-787

Status published

Affected Products (4)

vim/vim < 8.2.3487

fedoraproject/fedora

fedoraproject/fedora

debian/debian_linux

Timeline

Published Oct 19, 2021

Tracked Since Feb 18, 2026