Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Cloudflare | octorpki | unspecified – < 1.4.0 | 1.4.0 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | cfrpki | 1.4.0-1 | — |
| Debian 11 | cfrpki | 1.4.2-1~deb11u1 | DSA-5041-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/cloudflare/cfrpki | < 1.4.0 | 1.4.0 | GHSA-g5gj-9ggf-9vmq |
Advisories 1
- DSA-5041-1 cfrpki - security update Debian Security (DSA / DLA) · Mar 9, 2026