Infinite certificate chain depth results in OctoRPKI running forever

GHSA-g5gj-9ggf-9vmq · CVE-2021-3908 · GO-2022-0249

Published Nov 10, 2021 · Modified Jul 8, 2026

Description

OctoRPKI (github.com/cloudflare/cfrpki/cmd/octorpki) does not limit the depth of a certificate chain, allowing for a CA to create children in an ad-hoc fashion, thereby making tree traversal never end.

For more information

If you have any questions or comments about this advisory email us at security@cloudflare.com

References

WEB https://github.com/cloudflare/cfrpki/security/advisories/GHSA-g5gj-9ggf-9vmq
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3908
PACKAGE https://github.com/cloudflare/cfrpki
WEB https://github.com/cloudflare/cfrpki/releases/tag/v1.4.0
WEB https://www.debian.org/security/2022/dsa-5041

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