CVE-2021-4186
7.5
HIGH
CVSS 3.1
EPSS 0.13%
Description
Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
How to fix CVE-2021-4186
To remediate CVE-2021-4186, upgrade the affected package to a fixed version below.
- Debian/wireshark—upgrade to 3.4.16-0+deb11u1 or later
Is CVE-2021-4186 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.4.16-0+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |