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High, CVSS 8.7amended

speaker vulnerable to Denial of Service

CVE-2024-21526GHSA-w5fc-gj3h-26rx

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • npm speaker

    Affected
    <= 0.5.5
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N · score source
EPSS
  • CVE-2024-21526: 0.57% estimated exploitation activity in the next 30 days; percentile 47.23 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

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.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from ghsa record GHSA-w5fc-gj3h-26rx

  2. Revision 2 · amended ·

    Reviewed OSV alias/range/CVSS4 correction; package source scopes and original publication preserved. No customer finding resolved.

  3. Revision 1 · created ·

    Published from osv record GHSA-w5fc-gj3h-26rx

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2024-21526

Advisory: speaker vulnerable to Denial of Service
IDs: CVE-2024-21526, GHSA-w5fc-gj3h-26rx
Record: https://patchnext.com/advisories/cve-2024-21526 (revision 3, source checked 26 Oct 2026, 12:30 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.7)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm speaker: affected <= 0.5.5

## Suggested inspection (read-only)
- `npm ls speaker --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on speaker.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-w5fc-gj3h-26rx (OSV record GHSA-w5fc-gj3h-26rx lists affected ranges: npm speaker >=0 <=0.5.5)
- Verified: https://github.com/advisories/GHSA-w5fc-gj3h-26rx (GitHub-reviewed advisory GHSA-w5fc-gj3h-26rx lists affected ranges: npm speaker >=0 <=0.5.5)

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