CVE-2026-42304: Twisted: Denial of Service (DoS) in twisted.names via Crafted DNS Compression Pointer Chains

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-May
Released
2026-05-15
EPSS Score
0.01% (percentile: 1.6%)

Affected Products (1)

Mariner

  • azl3 python-twisted 22.10.0-4 on Azure Linux 3.0

Revision History

  • 2026-05-15: Information published.