vulnerability
Alpine Linux: CVE-2021-39920: NULL Pointer Dereference
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Nov 18, 2021 | Aug 22, 2024 | Dec 22, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Nov 18, 2021
Added
Aug 22, 2024
Modified
Dec 22, 2025
Description
NULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file
Solution
alpine-linux-upgrade-wireshark
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.