Wireshark 4.6.7 Addresses 12 Security Vulnerabilities in Protocol Dissector

Wireshark released version 4.6.7 on July 9, 2026, fixing twelve security vulnerabilities affecting network traffic analysis. Users analyzing packet captures are at risk from malformed packets that can cause software crashes and unexpected behavior. The vulnerabilities primarily involve protocol dissectors for SSH, IEEE 802.11, and Catapult DCT2000, among others. Issues include memory access violations and infinite loops triggered by crafted packets. The update also resolves sixteen non-security bugs, enhancing overall stability and usability. Affected systems include those running Wireshark on UNIX-like platforms. The release aims to mitigate risks when handling untrusted data in packet captures. No active exploitation has been reported at this time.

Key Points: • Wireshark 4.6.7 fixes twelve security vulnerabilities in protocol dissectors. • Most vulnerabilities can cause crashes from malformed packets or capture files. • The update also includes sixteen non-security bug fixes for improved stability.