wnpa-sec-2026-05 · USB HID dissector memory exhaustion
Summary
Name: USB HID dissector memory exhaustion
Docid: wnpa-sec-2026-05
Date: February 25, 2026
Affected versions: 4.6.0 to 4.6.3, 4.4.0 to 4.4.13
Fixed versions: 4.6.4, 4.4.14
References:
Wireshark issue 20972.
CVE-2026-3201.
Details
Description
The USB HID protocol dissector could exhaust system memory.
Impact
Discovered by 齐柯宇 (Qi Kery). We are unaware of any exploits for this issue. It may be possible to make Wireshark consume excessive memory by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.
Resolution
Upgrade to Wireshark 4.6.4, 4.4.14 or later.
