CVE-2026-51106

Local Denial of Service via Improper Serialization Handling in TokTok qTox

Published Aug 26, 2026 CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Local Denial of Service via Improper Serialization Handling in TokTok qTox
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Local denial of service vulnerability in TokTok qTox serialization component
Weaknesses CWE-674
Type Values Removed Values Added
Weaknesses CWE-400
CWE-502
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}

Type Values Removed Values Added
Title Local denial of service vulnerability in TokTok qTox serialization component
Weaknesses CWE-674
Type Values Removed Values Added
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
References

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Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 27, 2026, 6:57 PM
Reserved
Jun 7, 2026, 12:00 AM
Status
Deferred
Published
Aug 26, 2026, 7:16 PM
Modified
Sep 9, 2026, 4:04 PM