DEBIAN-CVE-2026-48930

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2026-48930
Published: 26 Jun 2026, 02:16
Last modified:27 Jun 2026, 10:00

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Jun 2026, 02:16
Published
Vulnerability first disclosed
27 Jun 2026, 10:00
Last Modified
Vulnerability information updated

Description

A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • debian•nodejs

    all | all | all | all | < 24.17.0+dfsg+~cs24.13.2-1

References (1)