# CVE-2016-2334: Memory corruption in n/a

> Remote attackers can execute arbitrary code via a crafted HFS+ image due to a heap-based buffer overflow in the 7zip library.

- **Severity:** High 7.8 (`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:** 13 Dec 2016
- **Updated:** 5 Aug 2024
- **Also known as:** DEBIAN-CVE-2016-2334, GHSA-62c7-f6mx-fmm8

## What is CVE-2016-2334?

CVE-2016-2334 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 13 Dec 2016. 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

Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2016-2334?

It affects 3 products.


Products: 7-Zip 7-Zip, Fedoraproject Fedora, Oracle Solaris.

## How do I fix CVE-2016-2334?

Upgrade to a fixed version.

## Is CVE-2016-2334 being exploited?

There is no known exploitation of CVE-2016-2334 in the wild and no public exploit code.

Public exploit code:

- Exploiting CVE-2016-2334 7zip HFS+ vulnerability (github_poc): https://github.com/icewall/CVE-2016-2334

## Other vulnerabilities in Fedoraproject Fedora

- [CVE-2025-0411](https://insights.sbomify.com/CVE-2025-0411/): 7-Zip Mark of the Web Bypass (high 7.0, exploited in the wild)
- [CVE-2008-6536](https://insights.sbomify.com/CVE-2008-6536/): Other in n/a (critical 10.0)
- [CVE-2026-48095](https://insights.sbomify.com/CVE-2026-48095/): GHSL-2026-140_7-Zip: 7-Zip has a heap buffer overflow via NTFS compressed stream buffer under-allocation (high 8.8)
- [CVE-2018-10172](https://insights.sbomify.com/CVE-2018-10172/): Privilege escalation in n/a (high 8.8)
- [CVE-2016-2335](https://insights.sbomify.com/CVE-2016-2335/): Memory corruption in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-2334 and fix it if it is affected.

What it is: CVE-2016-2334 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 13 Dec 2016. 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-2016-2334 in the wild and no public exploit code.

Affected product: Fedoraproject Fedora. 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-2016-2334/ (Markdown: https://insights.sbomify.com/CVE-2016-2334/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-2334
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-2334
- OSV: https://osv.dev/vulnerability/CVE-2016-2334

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-2334/
Summaries are generated and may contain mistakes; the official description above is the record.