CVE-2019-3465 · cross-distro fix matrix

CVE-2019-3465: Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-3465 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

simplesamlphp→ fixed in1.17.6-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y simplesamlphp
```

Debian bookworm

Source: Debian Security Tracker

simplesamlphp→ fixed in1.17.6-2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y simplesamlphp
```

Are YOU affected by CVE-2019-3465?

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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Continuous monitoring beats manual checking

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