CVE-2024-21521

HIGHNVD 7.57.5—Elevated

7.5

All versions of the package @discordjs/opus are vulnerable to Denial of Service (DoS) due to providing an input object with a property toString to several different functions. Exploiting this vulnerability could lead to a system crash.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 44.8%
KEV: Not listed

Published

July 10, 2024

Last Modified

April 15, 2026

References (6)

report@snykhttps://gist.github.com/dellalibera/98c48fd74bb240adbd7841a5c02aba9e
report@snykhttps://github.com/discordjs/opus/blob/814e500c2785c5207ace19650192629beba2728b/src/node-opus.cc%23L47
report@snykhttps://security.snyk.io/vuln/SNYK-JS-DISCORDJSOPUS-6370643
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/dellalibera/98c48fd74bb240adbd7841a5c02aba9e
af854a3a-2127-422b-91ae-364da2661108https://github.com/discordjs/opus/blob/814e500c2785c5207ace19650192629beba2728b/src/node-opus.cc%23L47
af854a3a-2127-422b-91ae-364da2661108https://security.snyk.io/vuln/SNYK-JS-DISCORDJSOPUS-6370643

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
npm	@discordjs/opus	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
@discordjs/opus	—	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2024-21521?

CVE-2024-21521 is a high vulnerability published on July 10, 2024. All versions of the package @discordjs/opus are vulnerable to Denial of Service (DoS) due to providing an input object with a property toString to several different functions. Exploiting this vulnerability could lead to a system crash.

When was CVE-2024-21521 disclosed?

CVE-2024-21521 was first published in the National Vulnerability Database on July 10, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-21521 actively exploited?

CVE-2024-21521 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-21521?

CVE-2024-21521 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2024-21521?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-21521, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-21521

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CVE-2024-21521

📅 Published

🔄 Last Modified

🔗 References (6)