CVE-2021-39928
Published: 18 November 2021
NULL pointer exception in the IEEE 802.11 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
Priority
Status
Package | Release | Status |
---|---|---|
wireshark Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needed
|
|
hirsute |
Ignored
(end of life)
|
|
jammy |
Needed
|
|
trusty |
Needs triage
|
|
upstream |
Released
(3.4.10)
|
|
impish |
Ignored
(end of life)
|
|
xenial |
Needs triage
|
|
kinetic |
Ignored
(end of life, was needed)
|
|
lunar |
Not vulnerable
(3.6.7-1)
|
|
mantic |
Not vulnerable
(3.6.7-1)
|
|
Patches: upstream: https://gitlab.com/wireshark/wireshark/-/commit/0b473c01ab38e3b7debeeb4df82423fe53d0ff54 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |