---
id: CVE-2023-2426
title: >-
  Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to
  9.0.1499.
summary: >-
  Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to
  9.0.1499.
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-823
vendor: neovim
product: neovim
affected:
  - fedora = 37
  - fedora = 38
  - macos = 11.7.9
  - macos = 12.6.8
  - 'neovim >= 0.7.0, < 0.10.0'
  - vim < 9.0.1499
patched:
  - neovim 0.10.0
  - vim 9.0.1499
published: '2023-04-29'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T15:38:35.380'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-2426'
references:
  - url: 'https://github.com/vim/vim/commit/caf642c25de526229264cab9425e7c9979f3509b'
    label: security@huntr.dev
  - url: 'https://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425'
    label: security@huntr.dev
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LOJP6M7ZTKZQYOGVOOAY6TIE6ACBJL55/
    label: security@huntr.dev
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PCLJN4QINITA3ZASKLEJ64C5TFNKELMO/
    label: security@huntr.dev
  - url: 'https://support.apple.com/kb/HT213844'
    label: security@huntr.dev
  - url: 'https://support.apple.com/kb/HT213845'
    label: security@huntr.dev
  - url: 'https://github.com/vim/vim/commit/caf642c25de526229264cab9425e7c9979f3509b'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://huntr.dev/bounties/3451be4c-91c8-4d08-926b-cbff7396f425'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LOJP6M7ZTKZQYOGVOOAY6TIE6ACBJL55/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PCLJN4QINITA3ZASKLEJ64C5TFNKELMO/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://support.apple.com/kb/HT213844'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://support.apple.com/kb/HT213845'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-2426.json
  - url: 'https://access.redhat.com/security/cve/CVE-2023-2426'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2196578'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2023-2426'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-2426'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
epss: 0.00409
epssPercentile: 0.32355
ingestedAt: '2026-09-24T15:45:56.612Z'
scores:
  nvd: 5.3
  vendor: 5.5
---

## Overview

Use of Out-of-range Pointer Offset in GitHub repository vim/vim prior to 9.0.1499.

## Affected

- `fedora = 37`
- `fedora = 38`
- `macos = 11.7.9`
- `macos = 12.6.8`
- `neovim >= 0.7.0, < 0.10.0`
- `vim < 9.0.1499`

## Remediation

Upgrade past the affected range:

- `neovim 0.10.0`
- `vim 9.0.1499`

## Vendor advisories

- **Red Hat VEX** · Low · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-2426.json)