CVE-2026-58045

Aliases:ALPINE-CVE-2026-58045UBUNTU-CVE-2026-58045DEBIAN-CVE-2026-58045CGA-f9qv-4jjh-8w3wCGA-fqj5-8568-g5v9CGA-gw63-9jw4-5h7qCGA-w6f6-vj3h-2w63
Advisory lineage Upstream: 0 Downstream: 19
Awaiting Analysis
Published: 04 Aug 2026, 00:49
Last modified:04 Aug 2026, 15:03

Vulnerability Summary

Overall Risk (default)
medium
25/100
CVSS Score
6.2 MEDIUM
v3.0 (cve.org)
EPSS Score
0.17% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

04 Aug 2026, 00:49
Published
Vulnerability first disclosed
04 Aug 2026, 15:03
Last Modified
Vulnerability information updated

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 Metrics

  • v3.0•MEDIUM•Score: 6.2CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.17%• Percentile: 6%

Techniques & Countermeasures

  • CWE-400•Uncontrolled Resource Consumption

    The product does not properly control the allocation and maintenance of a limited resource.

Affected Systems

  • alpine•nodejs

    < 22.23.2-r0 | < 22.23.2-r0 | < 24.18.1-r0 | < 24.18.1-r0

  • chainguard•nodejs-20

    all

  • chainguard•nodejs-25

    all

  • wolfi•nodejs-20

    all

  • wolfi•nodejs-25

    all

  • debian•nodejs

    all | all | all | all | < 24.19.0+dfsg+~cs24.13.3-1

  • ubuntu•nodejs

    all | all | all

  • nodejs•node

    26.5.0 | 24.18.0 | 22.23.1

References (6)