# CVE-2016-9294: Null dereference in n/a

> Attackers can cause a denial of service via application crash in MuJS by exploiting a NULL pointer dereference with malformed JavaScript.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/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:** 12 Nov 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-fv39-8gm8-9qg3

## What is CVE-2016-9294?

CVE-2016-9294 is a high-severity vulnerability in n/a, published on 12 Nov 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Artifex Software, Inc. MuJS before 5008105780c0b0182ea6eda83ad5598f225be3ee allows context-dependent attackers to conduct "denial of service (application crash)" attacks by using the "malformed labeled break/continue in JavaScript" approach, related to a "NULL pointer dereference" issue affecting the jscompile.c component.

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2016-9294?

It affects 1 product.


Products: Artifex Mujs.

## How do I fix CVE-2016-9294?

No fix has been published for CVE-2016-9294 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-9294 being exploited?

There is no known exploitation of CVE-2016-9294 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2021-33796](https://insights.sbomify.com/CVE-2021-33796/): Use after free in MuJS (critical 10.0)
- [CVE-2021-33797](https://insights.sbomify.com/CVE-2021-33797/): Integer overflow in mujs (critical 9.8)
- [CVE-2021-45005](https://insights.sbomify.com/CVE-2021-45005/): Memory corruption in n/a (critical 9.8)
- [CVE-2019-12798](https://insights.sbomify.com/CVE-2019-12798/): Integer overflow in n/a (critical 9.8)
- [CVE-2019-11411](https://insights.sbomify.com/CVE-2019-11411/): Memory corruption in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-9294 and fix it if it is affected.

What it is: CVE-2016-9294 is a high-severity vulnerability in n/a, published on 12 Nov 2016. 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-2016-9294 in the wild and no public exploit code.

Affected product: n/a. 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-2016-9294/ (Markdown: https://insights.sbomify.com/CVE-2016-9294/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-9294
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-9294
- OSV: https://osv.dev/vulnerability/CVE-2016-9294

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-9294/
Summaries are generated and may contain mistakes; the official description above is the record.