VDB
DEBIAN-CVE-2021-39921
DEBIAN-CVE-2021-39921
PUBLISHED
CVSS 7.5 HIGH
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
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | wireshark | 0, 0, 0 |
| Debian:12 | wireshark | 0, 0, 0 |
| Debian:11 | wireshark | 0, 3.4.7-1, 3.4.8-1 |
| Debian:14 | wireshark | 0, 0, 0 |
Timeline
- Nov 19, 2021 CVE Published
- Apr 28, 2026 CVE Updated