Deserialization in N/a

CVE-2026-51106

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

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-51106: held from 0.002 to 0.004.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-51106?
CVE-2026-51106 is a critical-severity vulnerability in N/a, classified under Uncontrolled Resource Consumption. CVSS score: 9.3/10. Published 2026-08-26.
How severe is CVE-2026-51106?
Critical severity. CVSS v3 base score is 9.3 out of 10.