Wireshark BPv7 Dissector Denial-of-Service Vulnerability

Vulnerability

A denial-of-service vulnerability has been identified in Wireshark version 4.6.0, specifically within the BPv7 dissector. This issue causes a crash when the dissector processes certain malformed packets.

Impact

Exploitation of this vulnerability leads to a crash of the Wireshark application.

Reproduction

The vulnerability can be reproduced by using Wireshark 4.6.0 to open a packet capture file that contains malformed BPv7 data. Alternatively, injecting such a packet onto the network can also trigger the issue.

Remediation

Users are advised to upgrade to Wireshark version 4.6.1 or later.

Added: Nov 26, 2025, 12:17 PM
Updated: Nov 26, 2025, 12:17 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
2.5
exploitability
6.0
remediation
7.7
relevance
1.2
threat
6.4
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.