---
id: CVE-2023-4735
title: Out-of-bounds Write in GitHub repository vim/vim prior to 9.0.1847.
summary: Out-of-bounds Write in GitHub repository vim/vim prior to 9.0.1847.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: vim
product: vim
affected:
  - vim < 9.0.1847
  - macos = 14.1
patched:
  - vim 9.0.1847
published: '2023-09-02'
updated: '2026-06-23'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-4735'
references:
  - url: 'http://seclists.org/fulldisclosure/2023/Oct/24'
    label: security@huntr.dev
  - url: 'https://github.com/vim/vim/commit/889f6af37164775192e33b233a90e86fd3df0f57'
    label: security@huntr.dev
  - url: 'https://huntr.dev/bounties/fc83bde3-f621-42bd-aecb-8c1ae44cba51'
    label: security@huntr.dev
  - url: 'https://support.apple.com/kb/HT213984'
    label: security@huntr.dev
  - url: 'http://seclists.org/fulldisclosure/2023/Oct/24'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/vim/vim/commit/889f6af37164775192e33b233a90e86fd3df0f57'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://huntr.dev/bounties/fc83bde3-f621-42bd-aecb-8c1ae44cba51'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://support.apple.com/kb/HT213984'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00601
epssPercentile: 0.4748
ingestedAt: '2026-06-29T13:24:33.876Z'
---

## Overview

Out-of-bounds Write in GitHub repository vim/vim prior to 9.0.1847.

## Affected

- `vim < 9.0.1847`
- `macos = 14.1`

## Remediation

Upgrade past the affected range:

- `vim 9.0.1847`