CVE-2021-28963 · cross-distro fix matrix

CVE-2021-28963: Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-28963 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

shibboleth-sp→ fixed in3.2.1+dfsg1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shibboleth-sp
```

Debian bookworm

Source: Debian Security Tracker

shibboleth-sp→ fixed in3.2.1+dfsg1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shibboleth-sp
```

Debian trixie

Source: Debian Security Tracker

shibboleth-sp→ fixed in3.2.1+dfsg1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y shibboleth-sp
```

Are YOU affected by CVE-2021-28963?

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

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