CVE-2026-51106 — CRITICAL (9.3)

Vulnerability Description

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

CVSS Score

9.3

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-400 CWE-502

References

https://github.com/TokTok/qTox/issues/706
https://github.com/TokTok/qTox/issues/706

FAQ

What is CVE-2026-51106?

CVE-2026-51106 is a vulnerability with a CVSS score of 9.3 (CRITICAL). 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

How severe is CVE-2026-51106?

CVE-2026-51106 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-51106?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.