vulnerability
Wireshark : CVE-2021-39921 : Modbus dissector crash
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Nov 18, 2021 | Nov 18, 2021 | Aug 11, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Nov 18, 2021
Added
Nov 18, 2021
Modified
Aug 11, 2025
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
Solutions
wireshark-upgrade-3_2_18wireshark-upgrade-3_4_10
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