CVE-2026-28420

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

4.4 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

February 27, 2026

Last Modified

February 28, 2026

CWE ID

CWE-122

Source

NVD

Vendor

vim

Product

vim

External References

https://github.com/vim/vim/commit/bb6de2105b160e729c34063
https://github.com/vim/vim/releases/tag/v9.2.0076
https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg

CVE-2026-28420

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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