---
id: "CVE-2026-43843"
kind: "vulnerability"
aliases: ["CVE-2026-43843"]
title: "License manager service integer overflow lets unauthenticated attackers crash the service"
severity: "medium"
cvss: 6.9
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["infrastructure", "license-manager"]
not_affected_if: []
published_at: "2026-10-20T09:17:10+00:00"
first_seen_at: "2026-10-23T21:57:20+00:00"
updated_at: "2026-10-25T03:40:34+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43843", "first_seen_at": "2026-10-23T21:57:20+00:00"}]
---

# License manager service integer overflow lets unauthenticated attackers crash the service

An integer overflow in the license manager service can be triggered by an unauthenticated attacker. The result is that the service crashes.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-10-23T21:57:20+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-43843

## From the sources

An integer overflow vulnerability in the license manager service could allow an unauthenticated attacker to crash the service.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_