wnpa-sec-2026-66 · UMTS FP protocol dissector crash
Summary
Name: UMTS FP protocol dissector crash
Docid: wnpa-sec-2026-66
Date: August 12, 2026
Affected versions: 4.6.0 to 4.6.7, 4.4.0 to 4.4.17
Fixed versions: 4.6.8, 4.4.18
References:
Wireshark issue 21413.
Details
Description
The UMTS FP protocol dissector could crash.
Impact
Discovered by caveeroo. 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 capture file.
Resolution
Upgrade to Wireshark 4.6.8, 4.4.18 or later.
