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CVE-2021-3770

Published: 6 September 2021

vim is vulnerable to Heap-based Buffer Overflow

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
vim
Launchpad, Ubuntu, Debian
hirsute
Released (2:8.2.2434-1ubuntu1.1)
trusty Not vulnerable
(code not present)
upstream
Released (v8.2.3403)
xenial Not vulnerable
(code not present)
impish
Released (2:8.2.2434-3ubuntu2)
bionic Not vulnerable
(code not present)
focal
Released (2:8.1.2269-1ubuntu5.3)
jammy
Released (2:8.2.2434-3ubuntu2)
Patches:
upstream: https://github.com/vim/vim/commit/b7081e135a16091c93f6f5f7525a5c58fb7ca9f9 (v8.2.3402)
upstream: https://github.com/vim/vim/commit/2ddb89f8a94425cda1e5491efc80c1ccccb6e08e (v8.2.3403)

Severity score breakdown

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