CVE-2021-3974

HIGH

Vim < 8.2.3612 - Use After Free

Title source: rule

Description

vim is vulnerable to Use After Free

Exploits (1)

github WRITEUP 3 stars

by cemonatk · poc

https://github.com/cemonatk/onefuzzyway/tree/main/CVEs/vim/CVE-2021-3974.md

View Code ZIP pw:eip

References (8)

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2022/01/15/1

[Patch, Third Party Advisory] https://github.com/vim/vim/commit/64066b9acd9f8cffdf4840f797748f938a13f2d6

View Patch ZIP pw:eip

[Exploit, Issue Tracking, Patch, Third Party Advisory] https://huntr.dev/bounties/e402cb2c-8ec4-4828-a692-c95f8e0de6d4

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

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2022/11/msg00009.html

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

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/

Scores

CVSS v3 7.8

EPSS 0.0021

EPSS Percentile 43.3%

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-416

Status published

Affected Products (5)

vim/vim < 8.2.3612

fedoraproject/fedora

fedoraproject/fedora

debian/debian_linux

debian/debian_linux

Timeline

Published Nov 19, 2021

Tracked Since Feb 18, 2026