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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-3872

CVE-2021-3872

HIGH7.8

Heap-based Buffer Overflow in vim/vim

Published Oct 19, 2021

Modified 4 months ago

Details

vim is vulnerable to Heap-based Buffer Overflow

References

https://github.com/vim/vim/commit/826bfe4bbd7594188e3d74d2539d9707b1c6a14b

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

https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html

https://lists.debian.org/debian-lts-announce/2025/03/msg00023.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/

https://security.gentoo.org/glsa/202208-32

https://www.cve.org/CVERecord?id=CVE-2021-3872

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedOct 19, 2021

ModifiedNov 3, 2025

CVE-2021-3872 | Mondoo Vulnerability Intelligence