CVE-2024-24750
CVE-2024-24750 is a medium-severity vulnerability in Nodejs Undici with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-0593
- Weakness: CWE-401
- Affected product: Nodejs Undici
- Published:
- Last modified:
Description
Undici is an HTTP/1.1 client, written from scratch for Node.js. In affected versions calling `fetch(url)` and not consuming the incoming body ((or consuming it very slowing) will lead to a memory leak. This issue has been addressed in version 6.6.1. Users are advised to upgrade. Users unable to upgrade should make sure to always consume the incoming body.
Frequently asked questions
- What is CVE-2024-24750?
- Undici is an HTTP/1.1 client, written from scratch for Node.js. In affected versions calling `fetch(url)` and not consuming the incoming body ((or consuming it very slowing) will lead to a memory leak. This issue has been addressed in version 6.6.1. Users are advised to upgrade. Users unable to upgrade should make sure to always consume the incoming body.
- How severe is CVE-2024-24750?
- CVE-2024-24750 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-24750 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-24750?
- CVE-2024-24750 affects Nodejs Undici. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-24750?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-24750 have an EU (EUVD) identifier?
- Yes. CVE-2024-24750 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0593.
- When was CVE-2024-24750 published?
- CVE-2024-24750 was published on 2024-02-16 and last updated on 2026-06-17.
References
- https://github.com/nodejs/undici/commit/87a48113f1f68f60aa09abb07276d7c35467c663
- https://github.com/nodejs/undici/security/advisories/GHSA-9f24-jqhm-jfcw
- https://security.netapp.com/advisory/ntap-20240419-0006/
Affected products (1)
- cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:*
More vulnerabilities in Nodejs Undici
- CVE-2026-6734 — High (CVSS 7.5): Impact: When using Socks5ProxyAgent, undici reuses a single connection pool across different origins without verifying…
- CVE-2026-9675 — High (CVSS 7.5): Impact: The undici WebSocket client enforces maxPayloadSize per-frame but does not enforce the cumulative size of…
- CVE-2026-12151 — High (CVSS 7.5): Impact: The undici WebSocket client enforces maxPayloadSize on the cumulative byte count of fragments in a message but…
- CVE-2026-2229 — High (CVSS 7.5): ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of…
- CVE-2026-1528 — High (CVSS 7.5): ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's…
- CVE-2026-1526 — High (CVSS 7.5): The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during…
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