# CVE-2016-5844: Integer overflow in n/a

> Remote attackers can cause a denial of service via a crafted ISO file due to an integer overflow in the libarchive ISO parser.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/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:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 21 Sep 2016
- **Updated:** 6 Aug 2024
- **Also known as:** ALPINE-CVE-2016-5844, DEBIAN-CVE-2016-5844, GHSA-x263-jxrf-c484, UBUNTU-CVE-2016-5844

## What is CVE-2016-5844?

CVE-2016-5844 is a medium-severity vulnerability in Libarchive Libarchive, published on 21 Sep 2016. 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

Integer overflow in the ISO parser in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a crafted ISO file.

Weakness: CWE-190 (Integer Overflow or Wraparound)

## Which versions are affected by CVE-2016-5844?

It affects 10 products.


Products: Libarchive Libarchive, Oracle Linux, Oracle Solaris, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Hpc Node Eus, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Workstation.

## How do I fix CVE-2016-5844?

Upgrade to a fixed version.

## Is CVE-2016-5844 being exploited?

There is no known exploitation of CVE-2016-5844 in the wild and no public exploit code.

## Other vulnerabilities in Libarchive Libarchive

- [CVE-2024-37407](https://insights.sbomify.com/CVE-2024-37407/): Memory corruption in n/a (critical 9.1)
- [CVE-2016-1541](https://insights.sbomify.com/CVE-2016-1541/): Memory corruption in n/a (high 8.8)
- [CVE-2016-6250](https://insights.sbomify.com/CVE-2016-6250/): Integer overflow in n/a (high 8.6)
- [CVE-2025-5914](https://insights.sbomify.com/CVE-2025-5914/): Libarchive: double free at archive_read_format_rar_seek_data() in archive_read_support_format_rar.c (high 7.8)
- [CVE-2024-48957](https://insights.sbomify.com/CVE-2024-48957/): Memory corruption in n/a (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-5844 and fix it if it is affected.

What it is: CVE-2016-5844 is a medium-severity vulnerability in Libarchive Libarchive, published on 21 Sep 2016. 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-2016-5844 in the wild and no public exploit code.

Affected product: Libarchive Libarchive. 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-2016-5844/ (Markdown: https://insights.sbomify.com/CVE-2016-5844/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-5844
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-5844
- OSV: https://osv.dev/vulnerability/CVE-2016-5844

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From sbomify Insights: https://insights.sbomify.com/CVE-2016-5844/
Summaries are generated and may contain mistakes; the official description above is the record.