Vulnerability/
REDHAT-BUG-2543033

REDHAT-BUG-2543033: High severity Wireshark Wireshark vulnerability

Q: Which Wireshark versions are affected?

The affected version ranges are Wireshark 4.6.0 through 4.6.8 and 4.4.0 through 4.4.18.

Q: What is the impact of successful exploitation?

Successful exploitation can crash the SPDY protocol dissector, resulting in a denial of service.

Published Sep 29, 2026

Updated

SPDY protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service

Affected Software

1 affected component

Wireshark Wireshark>=4.6.0<=4.6.8, >=4.4.0<=4.4.18

Event History

Sep 29, 2026

Data Sourced

via Red Hat·09:45 AM

DescriptionSeverityAffected Software

Frequently Asked Questions

Which Wireshark versions are affected?

The affected version ranges are Wireshark 4.6.0 through 4.6.8 and 4.4.0 through 4.4.18.

What is the impact of successful exploitation?

Successful exploitation can crash the SPDY protocol dissector, resulting in a denial of service.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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