CVE-2026-23567 – Integer underflow in Content Distribution Service UDP handler

CVE ID : CVE-2026-23567

Published : Jan. 29, 2026, 8:47 a.m. | 22 minutes ago

Description : An integer underflow in the UDP command handler of the TeamViewer DEX Client (former 1E Client) – Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a denial-of-service (service crash) via specially crafted UDP packets.

Severity: 6.5 | MEDIUM

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