CVE-2026-28420

Published Feb 27, 2026

Last updated 13 hours ago

Overview

Description
Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.
Source
security-advisories@github.com
NVD status
Analyzed
Products
vim

Risk scores

CVSS 3.1

Type
Primary
Base score
4.4
Impact score
2.5
Exploitability score
1.8
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Severity
MEDIUM

Weaknesses

security-advisories@github.com
CWE-122

Social media

Hype score
Not currently trending

Configurations