wnpa-sec-2026-02 · IEEE 802.11 dissector crash
Summary
Name: IEEE 802.11 dissector crash
Docid: wnpa-sec-2026-02
Date: Jan 14, 2026
Affected versions: 4.6.0 to 4.6.2, 4.4.0 to 4.4.12
Fixed versions: 4.6.3, 4.4.13
References:
Wireshark issue 20939.
Details
Description
The IEEE 802.11 dissector could crash.
Impact
Discovered by OSS-Fuzz. We are unaware of any exploits for this issue. It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.
Resolution
Upgrade to Wireshark 4.6.3, 4.4.13 or later.
