CVE-2026-58045 - Node.js zlib Denial of Service Vulnerability

CVE-2026-58045 - Node.js zlib Denial of Service Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Tue, 08/04/2026 - 07:09
CVE ID :CVE-2026-58045
Published : Aug. 4, 2026, 1:16 a.m. | 3 hours, 38 minutes ago
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**.
Severity: 6.2 | MEDIUM
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