# CVE-2023-36532: Memory corruption in Zoom Clients

> An unauthenticated attacker can cause a denial of service in Zoom Clients via a network-based buffer overflow.

- **Severity:** Medium 5.9 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Aug 2023
- **Updated:** 9 Oct 2024
- **Also known as:** GHSA-2hvw-r4rp-mjpp

## What is CVE-2023-36532?

CVE-2023-36532 is a medium-severity memory corruption vulnerability in Zoom Rooms, published on 8 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Buffer overflow in Zoom Clients before 5.14.5 may allow an unauthenticated user to enable a denial of service via network access.

Weakness: CWE-787 (Out-of-bounds Write), CWE-122 (Heap-based Buffer Overflow)

## Which versions are affected by CVE-2023-36532?

It affects 3 products.


Products: Zoom Rooms, Zoom Virtual Desktop Infrastructure, Zoom Zoom.

## How do I fix CVE-2023-36532?

No fix has been published for CVE-2023-36532 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-36532 being exploited?

There is no known exploitation of CVE-2023-36532 in the wild and no public exploit code.

## Other vulnerabilities in Zoom Rooms

- [CVE-2023-39211](https://insights.sbomify.com/CVE-2023-39211/): Information disclosure in Zoom Desktop Client for Windows and Zoom Rooms for Windows (high 8.8)
- [CVE-2022-36926](https://insights.sbomify.com/CVE-2022-36926/): Local Privilege Escalation in Zoom Rooms for macOS Clients (high 8.8)
- [CVE-2022-36927](https://insights.sbomify.com/CVE-2022-36927/): Local Privilege Escalation in Zoom Rooms for macOS Clients (high 8.8)
- [CVE-2022-36930](https://insights.sbomify.com/CVE-2022-36930/): Local Privilege Escalation in Zoom Rooms for Windows Installers (high 8.8)
- [CVE-2022-36924](https://insights.sbomify.com/CVE-2022-36924/): Local Privilege Escalation in Zoom Rooms Installer for Windows (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-36532 and fix it if it is affected.

What it is: CVE-2023-36532 is a medium-severity memory corruption vulnerability in Zoom Rooms, published on 8 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-36532 in the wild and no public exploit code.

Affected product: Zoom Rooms. 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-2023-36532/ (Markdown: https://insights.sbomify.com/CVE-2023-36532/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-36532
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-36532
- OSV: https://osv.dev/vulnerability/CVE-2023-36532

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-36532/
Summaries are generated and may contain mistakes; the official description above is the record.