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CWE

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CVE-2026-28420

Published: Feb 27, 2026

Modified: Mar 2, 2026

PUBLISHED

CVSS v3.1

4.4

MEDIUM

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.

Vendor	Product	Versions
vim	vim	affected `< 9.2.0076`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

References

https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg

x_refsource_CONFIRM

https://github.com/vim/vim/commit/bb6de2105b160e729c34063

x_refsource_MISC

https://github.com/vim/vim/releases/tag/v9.2.0076

x_refsource_MISC

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