---
id: CVE-2023-0288
title: Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1189.
summary: Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1189.
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-122
vendor: neovim
product: neovim
affected:
  - macos < 13.3
  - fedora = 36
  - neovim <= 0.8.3
  - vim < 9.0.1189
patched:
  - macos 13.3
  - vim 9.0.1189
published: '2023-01-13'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T15:51:44.843'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-0288'
references:
  - url: 'http://seclists.org/fulldisclosure/2023/Mar/17'
    label: security@huntr.dev
  - url: 'https://github.com/vim/vim/commit/232bdaaca98c34a99ffadf27bf6ee08be6cc8f6a'
    label: security@huntr.dev
  - url: 'https://huntr.dev/bounties/550a0852-9be0-4abe-906c-f803b34e41d3'
    label: security@huntr.dev
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WYC22GGZ6QA66HLNLHCTAJU265TT3O33/
    label: security@huntr.dev
  - url: 'https://support.apple.com/kb/HT213670'
    label: security@huntr.dev
  - url: 'http://seclists.org/fulldisclosure/2023/Mar/17'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/vim/vim/commit/232bdaaca98c34a99ffadf27bf6ee08be6cc8f6a'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://huntr.dev/bounties/550a0852-9be0-4abe-906c-f803b34e41d3'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WYC22GGZ6QA66HLNLHCTAJU265TT3O33/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://support.apple.com/kb/HT213670'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-0288.json
  - url: 'https://access.redhat.com/security/cve/CVE-2023-0288'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2163130'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2023-0288'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-0288'
  - url: 'https://huntr.dev/bounties/5d389a18-5026-47df-a5d0-1548a9b555d5'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
epss: 0.00495
epssPercentile: 0.42293
ingestedAt: '2026-09-24T16:47:15.807Z'
scores:
  nvd: 7.8
  vendor: 7.3
---

## Overview

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.1189.

## Affected

- `macos < 13.3`
- `fedora = 36`
- `neovim <= 0.8.3`
- `vim < 9.0.1189`

## Remediation

Upgrade past the affected range:

- `macos 13.3`
- `vim 9.0.1189`

## Vendor advisories

- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-0288.json)