Wireshark 4.4-4.6 USB HID protocol dissector DOS (memory exhaustion)
CVE-2026-3201 Published on February 25, 2026
Improperly Controlled Sequential Memory Allocation in Wireshark
USB HID protocol dissector memory exhaustion in Wireshark 4.6.0 to 4.6.3 and 4.4.0 to 4.4.13 allows denial of service
Vulnerability Analysis
CVE-2026-3201 can be exploited with local system access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Stack Exhaustion Vulnerability?
The product manages a group of objects or resources and performs a separate memory allocation for each object, but it does not properly limit the total amount of memory that is consumed by all of the combined objects.
CVE-2026-3201 has been classified to as a Stack Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-3201
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Affected Versions
Wireshark Foundation Wireshark:- Version 4.6.0 and below 4.6.4 is affected.
- Version 4.4.0 and below 4.4.14 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.