# CVE-2016-4333: Memory corruption in n/a

> An attacker can cause out-of-bounds memory access in the HDF5 library by manipulating file data, potentially leading to crashes or arbitrary code execution.

- **Severity:** High 8.6 (`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/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:** 18 Nov 2016
- **Updated:** 6 Aug 2024
- **Also known as:** DEBIAN-CVE-2016-4333, GHSA-hvm6-p25j-5hjf, UBUNTU-CVE-2016-4333

## What is CVE-2016-4333?

CVE-2016-4333 is a high-severity memory corruption vulnerability in Hdfgroup Hdf5, published on 18 Nov 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

The HDF5 1.8.16 library allocating space for the array using a value from the file has an impact within the loop for initializing said array allowing a value within the file to modify the loop's terminator. Due to this, an aggressor can cause the loop's index to point outside the bounds of the array when initializing it.

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

## Which versions are affected by CVE-2016-4333?

It affects 1 product.


Products: Hdfgroup Hdf5.

## How do I fix CVE-2016-4333?

Upgrade to a fixed version.

## Is CVE-2016-4333 being exploited?

There is no known exploitation of CVE-2016-4333 in the wild and no public exploit code.

## Other vulnerabilities in Hdfgroup Hdf5

- [CVE-2024-32608](https://insights.sbomify.com/CVE-2024-32608/): Memory corruption in n/a (critical 9.8)
- [CVE-2024-29157](https://insights.sbomify.com/CVE-2024-29157/): Memory corruption in n/a (critical 9.8)
- [CVE-2024-29159](https://insights.sbomify.com/CVE-2024-29159/): Memory corruption in n/a (critical 9.8)
- [CVE-2024-29164](https://insights.sbomify.com/CVE-2024-29164/): Memory corruption in n/a (critical 9.8)
- [CVE-2024-32611](https://insights.sbomify.com/CVE-2024-32611/): Other in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-4333 and fix it if it is affected.

What it is: CVE-2016-4333 is a high-severity memory corruption vulnerability in Hdfgroup Hdf5, published on 18 Nov 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-2016-4333 in the wild and no public exploit code.

Affected product: Hdfgroup Hdf5. 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-2016-4333/ (Markdown: https://insights.sbomify.com/CVE-2016-4333/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-4333
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-4333
- OSV: https://osv.dev/vulnerability/CVE-2016-4333

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From sbomify Insights: https://insights.sbomify.com/CVE-2016-4333/
Summaries are generated and may contain mistakes; the official description above is the record.