CVE-2026-5406

A flaw was found in Wireshark. A remote attacker could exploit this vulnerability by crafting and sending malicious FC-SWILS protocol data. This would cause the FC-SWILS protocol dissector to crash, leading to a denial of service (DoS) for the affected system.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

To mitigate this issue, avoid opening untrusted capture files or analyzing untrusted live network traffic with Wireshark. Running Wireshark in a sandboxed environment, such as a container or virtual machine, can further limit the impact of processing malicious data.