# CVE-2022-3705: vim autocmd quickfix.c qf_update_buffer use after free

> A use-after-free vulnerability in Vim's quickfix buffer update allows remote attackers to potentially execute arbitrary code or cause a denial of service.

- **Severity:** Medium 5.0 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 26 Oct 2022
- **Updated:** 15 Apr 2025
- **Also known as:** ALPINE-CVE-2022-3705, AZL-11358, DEBIAN-CVE-2022-3705, GHSA-vwcr-hcq5-36jr, OESA-2022-2043, UBUNTU-CVE-2022-3705

## What is CVE-2022-3705?

CVE-2022-3705 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 26 Oct 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability was found in vim and classified as problematic. Affected by this issue is the function qf_update_buffer of the file quickfix.c of the component autocmd Handler. The manipulation leads to use after free. The attack may be launched remotely. Upgrading to version 9.0.0805 is able to address this issue. The name of the patch is d0fab10ed2a86698937e3c3fed2f10bd9bb5e731. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-212324.

Weakness: CWE-416 (Use After Free), CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2022-3705?

It affects 4 products.


Products: Debian Debian Linux, Fedoraproject Fedora, Netapp Active Iq Unified Manager, Vim Vim.

## How do I fix CVE-2022-3705?

Upgrade to a fixed version.

## Is CVE-2022-3705 being exploited?

There is no known exploitation of CVE-2022-3705 in the wild and no public exploit code.

## Other vulnerabilities in Debian Debian Linux

- [CVE-2015-3306](https://insights.sbomify.com/CVE-2015-3306/): ProFTPD Improper Access Control (critical 10.0, exploited in the wild)
- [CVE-2025-49113](https://insights.sbomify.com/CVE-2025-49113/): RoundCube Webmail Deserialization of Untrusted Data (critical 9.9, exploited in the wild)
- [CVE-2026-24061](https://insights.sbomify.com/CVE-2026-24061/): GNU InetUtils Argument Injection (critical 9.8, exploited in the wild)
- [CVE-2025-39682](https://insights.sbomify.com/CVE-2025-39682/): Linux Kernel Improper Check for Unusual or Exceptional Conditions (critical 9.8, exploited in the wild)
- [CVE-2024-9680](https://insights.sbomify.com/CVE-2024-9680/): Mozilla Firefox Use-After-Free (critical 9.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-3705 and fix it if it is affected.

What it is: CVE-2022-3705 is a medium-severity use after free vulnerability in Debian Debian Linux, published on 26 Oct 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-3705 in the wild and no public exploit code.

Affected product: Debian Debian Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-3705/ (Markdown: https://insights.sbomify.com/CVE-2022-3705/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-3705
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-3705
- OSV: https://osv.dev/vulnerability/CVE-2022-3705

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-3705/
Summaries are generated and may contain mistakes; the official description above is the record.