SharkFest EU 2026 is coming to Brussels! Learn more and register.

wnpa-sec-2026-100 · MBIM protocol dissector crash

Summary

Name: MBIM protocol dissector crash

Docid: wnpa-sec-2026-100

Date: September 23, 2026

Affected versions: 4.6.0 to 4.6.8, 4.4.0 to 4.4.18

Fixed versions: 4.6.9, 4.4.19

References:

Wireshark issue 21549.
Wireshark issue 21550.
CVE-2026-95392.

Details

Description

The MBIM protocol dissector could crash.

Impact

Discovered by Mayank Jangid (OpenSec Intelligence). 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 4.6.9, 4.4.19 or later.