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9.0CRITICAL

Critical Wireshark Vulnerabilities Let Attackers Execute Arbitrary Code Via Malformed Packets

📅 1 May 2026 at 05:08 UTC📰 Cyber Security NewsView original source ↗

Wireshark, the world’s most widely used open-source network protocol analyzer, has released a major security update addressing over 40 vulnerabilities, several of which enable arbitrary code execution through malformed packet injection or malicious capture files. Organizations and individuals relying on Wireshark for network monitoring, forensics, and traffic analysis should update immediately to Wireshark 4.6.5. Critical […] The post Critical Wireshark Vulnerabilities Let Attackers Execute Arbitrary Code Via Malformed Packets appeared first on Cyber Security News.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Multiple vulnerabilities in Wireshark allow attackers to execute arbitrary code via malformed packet injection or malicious capture files, posing a significant threat to network monitoring and forensics tools.

⚙️Technical Details
Affected Systems
Wireshark
Attack Vectors
malformed packet injection, malicious capture files
💥Impact Assessment
Severity: critical
Who Is at Risk
organizations and individuals relying on Wireshark for network monitoring, forensics, and traffic analysis
🛡️Recommended Actions
1update to Wireshark 4.6.5 immediately
2validate and sanitize all capture files before use
3monitor network traffic for suspicious activity
📦Affected Products
Wireshark

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