CVE-2026-58045
CVSS Score
6.2
EPSS Score
0.0%
EPSS Percentile
0th
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**.
| CWE | CWE-400 |
| Vendor | nodejs |
| Product | node |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Versions
nodejs / node
26.5.0 ≤ 26.5.0 24.18.0 ≤ 24.18.0 22.23.1 ≤ 22.23.1