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CVE-2026-58045

MEDIUM · CVSS 6.2 Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-08-04 · Last synced: 2026-08-04

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

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CVE
CVE-2026-58045
Severity
MEDIUM
CVSS
6.2
EPSS
N/A

Original NVD 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**.