# CVE-2022-36934: Integer overflow in WhatsApp Business for Android

> An integer overflow in WhatsApp allows remote code execution during an established video call, requiring users to update the application.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:** 22 Sep 2022
- **Updated:** 27 May 2025
- **Also known as:** GHSA-h9c4-pjqq-xffc

## What is CVE-2022-36934?

CVE-2022-36934 is a critical vulnerability in Meta WhatsApp Business for Android, published on 22 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An integer overflow in WhatsApp could result in remote code execution in an established video call.

Weakness: CWE-190 (Integer Overflow or Wraparound), CWE-122 (Heap-based Buffer Overflow)

## Which versions are affected by CVE-2022-36934?

It affects 2 products.


Products: Whatsapp Whatsapp, Whatsapp Whatsapp Business.

## How do I fix CVE-2022-36934?

No fix has been published for CVE-2022-36934 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-36934 being exploited?

There is no known exploitation of CVE-2022-36934 in the wild and no public exploit code.

Public exploit code:

- Metasploit module for MailEnable CVE-2022-36934 authentication bypass RCE (github_poc): https://github.com/tdawg506/mailenable-cve-2022-36934

## Other vulnerabilities in Meta WhatsApp Business for Android

- [CVE-2019-3568](https://insights.sbomify.com/CVE-2019-3568/): WhatsApp VOIP Stack Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2019-18426](https://insights.sbomify.com/CVE-2019-18426/): WhatsApp Cross-Site Scripting (high 8.2, exploited in the wild)
- [CVE-2025-55177](https://insights.sbomify.com/CVE-2025-55177/): Meta Platforms WhatsApp Incorrect Authorization (medium 5.4, exploited in the wild)
- [CVE-2021-24042](https://insights.sbomify.com/CVE-2021-24042/): Memory corruption in WhatsApp Business for Android (critical 9.8)
- [CVE-2021-24041](https://insights.sbomify.com/CVE-2021-24041/): Memory corruption in WhatsApp Business for Android (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-36934 and fix it if it is affected.

What it is: CVE-2022-36934 is a critical vulnerability in Meta WhatsApp Business for Android, published on 22 Sep 2022. 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-2022-36934 in the wild and no public exploit code.

Affected product: Meta WhatsApp Business for Android. 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-2022-36934/ (Markdown: https://insights.sbomify.com/CVE-2022-36934/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-36934
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-36934
- OSV: https://osv.dev/vulnerability/CVE-2022-36934

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-36934/
Summaries are generated and may contain mistakes; the official description above is the record.
