CVE-2026-115778: Twisted: Unauthenticated Remote Denial of Service in the Twisted conch Telnet Transport via an Unbounded Subnegotiation Buffer

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/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Oct
Released
2026-10-29
EPSS Score
0.54% (percentile: 45.3%)

Affected Products (1)

Open Source Software

  • azl3 python-twisted 22.10.0-6 on Azure Linux 3.0

Revision History

  • 2026-10-29: Information published.