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Vim < 9.2.0076 Heap-based Buffer Overflow and OOB Read (GHSA-rvj2-jrf9-2phg)

medium Nessus Plugin ID 301509

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Synopsis

The remote host is missing a security update.

Description

The version of Vim installed on the remote host is prior to 9.2.0076. It is, therefore, affected by a vulnerability as referenced in the GHSA-rvj2-jrf9-2phg advisory.

 - 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. (CVE-2026-28420)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Vim version 9.2.0076 or later.

See Also

http://www.nessus.org/u?d06b990a

Plugin Details

Severity: Medium

ID: 301509

File Name: vim_9_2_0076.nasl

Version: 1.2

Type: local

Agent: windows, macosx, unix

Family: Misc.

Published: 3/9/2026

Updated: 3/10/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-28420

Vulnerability Information

CPE: cpe:/a:vim:vim

Required KB Items: installed_sw/Vim

Exploit Ease: No known exploits are available

Patch Publication Date: 2/27/2026

Vulnerability Publication Date: 2/27/2026

Reference Information

CVE: CVE-2026-28420

IAVA: 2026-A-0195