CVE-2021-3902 · cross-distro fix matrix

CVE-2021-3902: An improper restriction of external entities (XXE) vulnerability in dompdf/dompdf's SVG parser allows for Server-Side Request Forgery (SSRF) and deserialization attacks. This issue affects all versions prior to 2.0.0. The vulnerability can be exploited even if the isRemoteEnabled option is set to fa

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-3902 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

php-dompdf→ fixed in2.0.2+dfsg-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y php-dompdf
```

Are YOU affected by CVE-2021-3902?

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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