CVE-2026-58045: CWE-400 Uncontrolled Resource Consumption in nodejs node
A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected. Repeated exploitation of this condition can result in a denial of service. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.
CVE-2026-58045: CWE-400 Uncontrolled Resource Consumption in nodejs node
Description
A flaw in Node.js allows a spoofed `TypedArray` `byteLength` to trigger a reachable assertion in the synchronous `node:zlib` APIs, causing the entire process to crash. All 11 synchronous zlib functions are affected. Repeated exploitation of this condition can result in a denial of service. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.
CVSS v3.0
Score 6.2medium
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hackerone
- Date Reserved
- 2026-06-27T15:00:00.780Z
- Cvss Version
- 3.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a713a63bf32cb7a3480a4db
Added to database: 08/04/2026, 01:03:31 UTC
Last updated: 08/04/2026, 01:03:31 UTC
Views: 1
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