CVE-2021-3927

HIGH

Vim < 8.2.3581 - Out-of-Bounds Write

Title source: rule

Description

vim is vulnerable to Heap-based Buffer Overflow

Exploits (1)

github WRITEUP 3 stars

by cemonatk · poc

https://github.com/cemonatk/onefuzzyway/tree/main/CVEs/vim/CVE-2021-3927.md

View Code ZIP pw:eip

References (9)

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PGW56Z6IN4UVM3E5RXXF4G7LGGTRBI5C/

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BCQWPEY2AEYBELCMJYHYWYCD3PZVD2H7/

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

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

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

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

[Patch, Third Party Advisory] https://github.com/vim/vim/commit/0b5b06cb4777d1401fdf83e7d48d287662236e7e

View Patch ZIP pw:eip

[Exploit, Patch, Third Party Advisory] https://huntr.dev/bounties/9c2b2c82-48bb-4be9-ab8f-a48ea252d1b0

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

Scores

CVSS v3 7.8

EPSS 0.0023

EPSS Percentile 45.7%

Attack Vector LOCAL

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

Details

CWE

CWE-122 CWE-787

Status published

Products (6)

debian/debian_linux 9.0

debian/debian_linux 10.0

fedoraproject/fedora 33

fedoraproject/fedora 34

fedoraproject/fedora 35

vim/vim < 8.2.3581

Published Nov 05, 2021

Tracked Since Feb 18, 2026