What is CVE-2021-3912?

CVE-2021-3912 is a medium-severity vulnerability in Cloudflare Octorpki, classified under Uncontrolled Resource Consumption. CVSS score: 4.2/10. Published 2021-11-11.

How severe is CVE-2021-3912?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Resource exhaustion in Cloudflare Octorpki

CVE-2021-3912

OctoRPKI tries to load the entire contents of a repository in memory, and in the case of a GZIP bomb, unzip it in memory, making it possible to create a repository that makes OctoRPKI run out of memory (and thus crash).

Vulnerability class: DoS (Denial of Service)

EPSS: 0.008 (53.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H.

Affected products

Cloudflare Octorpki — versions unspecified
Debian Debian_linux — versions 11.0

Weakness classification (CWE)

References

cna@cloudflare.com (Third Party Advisory, x_refsource_MISC)
cna@cloudflare.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2021-3912?: CVE-2021-3912 is a medium-severity vulnerability in Cloudflare Octorpki, classified under Uncontrolled Resource Consumption. CVSS score: 4.2/10. Published 2021-11-11.
How severe is CVE-2021-3912?: Medium severity. CVSS v3 base score is 4.2 out of 10.