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CVE-2021-3984

Published: 1 December 2021

vim is vulnerable to Heap-based Buffer Overflow

Notes

AuthorNote
rayveldkamp
for bionic and earlier, the vulnerable function in src/cindent.c
is in src/misc1.c.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
vim
Launchpad, Ubuntu, Debian
bionic
Released (2:8.0.1453-1ubuntu1.8)
focal
Released (2:8.1.2269-1ubuntu5.6)
hirsute Ignored
(end of life)
impish
Released (2:8.2.2434-3ubuntu3.2)
jammy Not vulnerable
(2:8.2.3995-1ubuntu2.1)
kinetic Not vulnerable
(2:9.0.0242-1ubuntu1)
lunar Not vulnerable
(2:9.0.0242-1ubuntu1)
mantic Not vulnerable
(2:9.0.0242-1ubuntu1)
trusty Needed

upstream
Released (v8.2.3625)
xenial
Released (2:7.4.1689-3ubuntu1.5+esm4)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Patches:
upstream: https://github.com/vim/vim/commit/2de9b7c7c8791da8853a9a7ca9c467867465b655

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H