CVE-2026-43840

Description

A NULL pointer dereference vulnerability in the license manager service could allow an unauthenticated attacker to crash the service via the on_disconnected callback function.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149
• https://www.advantech.com/en/security-advisory vendor-advisory