VYPR
High severity7.5NVD Advisory· Published Nov 19, 2021· Updated Jun 17, 2026

CVE-2021-39921

CVE-2021-39921

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

13

Patches

Vulnerability mechanics

References

8

News mentions

0

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