wnpa-sec-2026-23 · BEEP dissector crash
Summary
Name: BEEP dissector crash
Docid: wnpa-sec-2026-23
Date: April 29, 2026
Affected versions: 4.6.0 to 4.6.4, 4.4.0 to 4.4.14
Fixed versions: 4.6.5, 4.4.15
References:
Wireshark issue 21120.
CVE-2026-6538.
Details
Description
The BEEP protocol dissector could crash.
Impact
Discovered by Sharon Brizinov. 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 4.6.5, 4.4.15 or later.
