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CVE-2026-28420 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://www.openwall.com/lists/oss-security/2026/02/27/9 CVE
https://github.com/vim/vim/commit/bb6de2105b160e729c34063 GitHub, Inc.
https://github.com/vim/vim/releases/tag/v9.2.0076 GitHub, Inc.
https://github.com/vim/vim/security/advisories/GHSA-rvj2-jrf9-2phg GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-122 Heap-based Buffer Overflow GitHub, Inc.  
CWE-125 Out-of-bounds Read GitHub, Inc.  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-28420
NVD Published Date:
02/27/2026
NVD Last Modified:
02/27/2026
Source:
GitHub, Inc.