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.
History

Mon, 02 Mar 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 02 Mar 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Vim
Vim vim
Vendors & Products Vim
Vim vim

Sat, 28 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Sat, 28 Feb 2026 01:30:00 +0000

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References

Fri, 27 Feb 2026 22:15:00 +0000

Type Values Removed Values Added
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.
Title Vim has Heap-based Buffer Overflow and OOB Read in :terminal
Weaknesses CWE-122
CWE-125
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-02-27T22:04:36.189Z

Updated: 2026-03-02T21:55:05.724Z

Reserved: 2026-02-27T15:33:57.290Z

Link: CVE-2026-28420

cve-icon Vulnrichment

Updated: 2026-02-28T00:15:35.201Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-27T22:16:25.330

Modified: 2026-03-02T20:30:10.923

Link: CVE-2026-28420

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-02-27T22:04:36Z

Links: CVE-2026-28420 - Bugzilla