# CVE-2018-10016: Denial of service in n/a

> A division-by-zero error in NASM allows attackers to cause a denial of service via a malformed input file.

- **Severity:** Medium 5.5 (`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 11 Apr 2018
- **Updated:** 5 Aug 2024
- **Also known as:** DEBIAN-CVE-2018-10016, GHSA-wjjm-jx64-48rf, UBUNTU-CVE-2018-10016

## What is CVE-2018-10016?

CVE-2018-10016 is a medium-severity denial of service vulnerability in Nasm Netwide Assembler, published on 11 Apr 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Netwide Assembler (NASM) 2.14rc0 has a division-by-zero vulnerability in the expr5 function in asm/eval.c via a malformed input file.

Weakness: CWE-369 (Divide By Zero)

## Which versions are affected by CVE-2018-10016?

It affects 1 product.


Products: Nasm Netwide Assembler.

## How do I fix CVE-2018-10016?

Upgrade to a fixed version.

## Is CVE-2018-10016 being exploited?

There is no known exploitation of CVE-2018-10016 in the wild and no public exploit code.

## Other vulnerabilities in Nasm Netwide Assembler

- [CVE-2004-1287](https://insights.sbomify.com/CVE-2004-1287/): Memory corruption in n/a (critical 10.0)
- [CVE-2020-24978](https://insights.sbomify.com/CVE-2020-24978/): Use after free in n/a (critical 9.8)
- [CVE-2008-7177](https://insights.sbomify.com/CVE-2008-7177/): Memory corruption in n/a (critical 9.3)
- [CVE-2023-31722](https://insights.sbomify.com/CVE-2023-31722/): Memory corruption in n/a (high 7.8)
- [CVE-2022-44370](https://insights.sbomify.com/CVE-2022-44370/): Memory corruption in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-10016 and fix it if it is affected.

What it is: CVE-2018-10016 is a medium-severity denial of service vulnerability in Nasm Netwide Assembler, published on 11 Apr 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2018-10016 in the wild and no public exploit code.

Affected product: Nasm Netwide Assembler. 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-2018-10016/ (Markdown: https://insights.sbomify.com/CVE-2018-10016/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-10016
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-10016
- OSV: https://osv.dev/vulnerability/CVE-2018-10016

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-10016/
Summaries are generated and may contain mistakes; the official description above is the record.