CVE-2026-23567
Integer underflow in Content Distribution Service UDP handler
- State
- Published
- Severity
- 6.5 Medium
- Published
- Jan 29, 2026
- Updated
- Jan 29, 2026
- Reserved
- Jan 14, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | TV |
Weaknesses
- CWE-122 Heap-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
DEXTeamViewer |
|
References
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