wnpa-sec-2026-46 · HTTP protocol dissector crash
Summary
Name: HTTP protocol dissector crash
Docid: wnpa-sec-2026-46
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 21185.
CVE-2026-6868.
Details
Description
The HTTP 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.
