CVE-2026-62389: ws < 8.21.1 Default maxFragments Allows Memory Exhaustion DoS

Overview

Severity
High (CVSS 7.5)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Jul
Released
2026-07-19
Last Updated
2026-07-20
EPSS Score
0.45% (percentile: 36.4%)

Affected Products (1)

Open Source Software

  • azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0

Revision History

  • 2026-07-19: Information published.
  • 2026-07-20: Information published.