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CVE-2021-3912

4.2 · MEDIUM

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 me…

Published Nov 11, 2021CWE-400EPSS 0.85%

Overview

CVE-2021-3912 is a medium-severity vulnerability. It was published on November 11, 2021 and has a CVSS 3.1 base score of 4.2 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.2, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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).

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/cloudflare/cfrpki/security/advisories/GHSA-g9wh-3vrx-r7hgRefwww.debian.org/security/2022/dsa-5041GitHubgithub.com/cloudflare/cfrpki/security/advisories/GHSA-g9wh-3vrx-r7hgRefwww.debian.org/security/2022/dsa-5041

How CyberStrike helps

Frequently asked questions

What is CVE-2021-3912?

CVE-2021-3912 is a medium-severity vulnerability. It was published on November 11, 2021 and has a CVSS 3.1 base score of 4.2 (MEDIUM).

How severe is CVE-2021-3912?

This vulnerability has a CVSS 3.1 base score of 4.2, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-3912?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-3912?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-3912 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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