CVE-2021-3911
Panic on misconfigured IP address in github.com/cloudflare/cfrpki
4.2
MEDIUM
CVSS 3.1
EPSS 0.55%
Description
If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash.
How to fix CVE-2021-3911
To remediate CVE-2021-3911, upgrade the affected package to a fixed version below.
- Debian/cfrpki—upgrade to 1.4.2-1~deb11u1 or later
- Go/github.com/cloudflare/cfrpki—upgrade to 1.4.0 or later
- —upgrade to 1.4.0 or later
Is CVE-2021-3911 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.4.2-1~deb11u1
- from 0, < 1.4.0
- from 0, < 1.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.2 | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H |