# CVE-2023-47470: Memory corruption in n/a

> A buffer overflow in FFmpeg allows remote attackers to execute arbitrary code or cause denial of service via crafted media files.

- **Severity:** High 7.8 (`CVSS:3.1/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:** 16 Nov 2023
- **Updated:** 2 Aug 2024
- **Also known as:** CLEANSTART-2025-XS19180, GHSA-h87m-h8cw-896f

## What is CVE-2023-47470?

CVE-2023-47470 is a high-severity memory corruption vulnerability in Ffmpeg Ffmpeg, published on 16 Nov 2023. 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

Buffer Overflow vulnerability in Ffmpeg before github commit 4565747056a11356210ed8edcecb920105e40b60 allows a remote attacker to achieve an out-of-array write, execute arbitrary code, and cause a denial of service (DoS) via the ref_pic_list_struct function in libavcodec/evc_ps.c

Weakness: CWE-787 (Out-of-bounds Write)

## Which versions are affected by CVE-2023-47470?

It affects 1 product.


Products: Ffmpeg Ffmpeg.

## How do I fix CVE-2023-47470?

Apply the vendor's patch.

## Is CVE-2023-47470 being exploited?

There is no known exploitation of CVE-2023-47470 in the wild and no public exploit code.

## Other vulnerabilities in Ffmpeg Ffmpeg

- [CVE-2013-0864](https://insights.sbomify.com/CVE-2013-0864/): Memory corruption in n/a (critical 10.0)
- [CVE-2013-0872](https://insights.sbomify.com/CVE-2013-0872/): Memory corruption in n/a (critical 10.0)
- [CVE-2013-0873](https://insights.sbomify.com/CVE-2013-0873/): Memory corruption in n/a (critical 10.0)
- [CVE-2013-4265](https://insights.sbomify.com/CVE-2013-4265/): Null dereference in n/a (critical 10.0)
- [CVE-2011-3937](https://insights.sbomify.com/CVE-2011-3937/): Memory corruption in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-47470 and fix it if it is affected.

What it is: CVE-2023-47470 is a high-severity memory corruption vulnerability in Ffmpeg Ffmpeg, published on 16 Nov 2023. 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-2023-47470 in the wild and no public exploit code.

Affected product: Ffmpeg Ffmpeg. 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-2023-47470/ (Markdown: https://insights.sbomify.com/CVE-2023-47470/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-47470
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-47470
- OSV: https://osv.dev/vulnerability/CVE-2023-47470

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-47470/
Summaries are generated and may contain mistakes; the official description above is the record.