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CVE-2021-39921

Related Vulnerabilities: CVE-2021-39921  

NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

Source

Description

The MITRE CVE dictionary describes this issue as:

NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

Additional Information

  • Bugzilla 2025662: CVE-2021-39921 wireshark: modbus dissector crash
  • CWE-476: NULL Pointer Dereference
  • FAQ: Frequently asked questions about CVE-2021-39921

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