CVE-2026-51106

CriticalCVSS 9.3

Published: 26/08/2026(UTC)Updated: 27/08/2026(UTC)Translated: 27/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.13%

3th percentile - higher than 3% of all known CVEs

An issue in TokTok qTox v1.18.4 allows a local attacker to cause a denial of service via the src/persistence/serialize.cpp component.

A local attacker can cause an application crash, potentially disrupting user communication and leading to service unavailability.

Update qTox to the latest version that includes a fix for this vulnerability. Restrict local access to the system if possible.

Original NVD description (English source)

An issue in TokTok qTox v1.18.4 allows a local attacker to cause a denial of service via the src/persistence/serialize.cpp component