CVE-2021-3761 · cross-distro fix matrix

CVE-2021-3761: Any CA issuer in the RPKI can trick OctoRPKI prior to 1.3.0 into emitting an invalid VRP "MaxLength" value, causing RTR sessions to terminate. An attacker can use this to disable RPKI Origin Validation in a victim network (for example AS 13335 - Cloudflare) prior to launching a BGP hijack which duri

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-3761 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

cfrpki→ fixed in1.4.2-1~deb11u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cfrpki
```

Debian bookworm

Source: Debian Security Tracker

cfrpki→ fixed in1.3.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y cfrpki
```

Are YOU affected by CVE-2021-3761?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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