CVE-2019-6474
6.5
MEDIUM
CVSS 3.1
EPSS 1.6%
Description
A missing check on incoming client requests can be exploited to cause a situation where the Kea server's lease storage contains leases which are rejected as invalid when the server tries to load leases from storage on restart. If the number of such leases exceeds a hard-coded limit in the Kea code, a server trying to restart will conclude that there is a problem with its lease store and give up. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2
How to fix CVE-2019-6474
To remediate CVE-2019-6474, upgrade the affected package to a fixed version below.
- —upgrade to 1.7.2-r0 or later
- —upgrade to 1.7.5-1 or later
Is CVE-2019-6474 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.7.2-r0
- from 0, < 1.7.5-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |