CVE-2026-28420

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-28420
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.

4.4 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://github.com/vim/vim/commit/bb6de2105b160e729c34063 Patch
https://github.com/vim/vim/releases/tag/v9.2.0076 Product
https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/02/27/9 Mailing List Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*
History

04 Mar 2026, 20:47

Type Values Removed Values Added
Summary
  • (es) Vim es un editor de texto de código abierto y de línea de comandos. Antes de la versión 9.2.0076, hay una escritura de desbordamiento de búfer basado en montículo y una lectura fuera de límites en el emulador de terminal de Vim al procesar caracteres combinatorios máximos de planos suplementarios de Unicode. La versión 9.2.0076 corrige el problema.
References () https://github.com/vim/vim/commit/bb6de2105b160e729c34063 - () https://github.com/vim/vim/commit/bb6de2105b160e729c34063 - Patch
References () https://github.com/vim/vim/releases/tag/v9.2.0076 - () https://github.com/vim/vim/releases/tag/v9.2.0076 - Product
References () https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg - () https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg - Patch, Vendor Advisory
References () http://www.openwall.com/lists/oss-security/2026/02/27/9 - () http://www.openwall.com/lists/oss-security/2026/02/27/9 - Mailing List, Patch, Third Party Advisory
First Time Vim vim
Vim
CPE cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*

28 Feb 2026, 01:16

Type Values Removed Values Added
References
  • () http://www.openwall.com/lists/oss-security/2026/02/27/9 -

27 Feb 2026, 22:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-27 22:16

Updated : 2026-03-04 20:47

NVD link : CVE-2026-28420

Mitre link : CVE-2026-28420

CVE.ORG link : CVE-2026-28420

JSON object : View

Products Affected

vim

  • vim
CWE
CWE-122

Heap-based Buffer Overflow

CWE-125

Out-of-bounds Read