CVE-2017-9445 · cross-distro fix matrix

CVE-2017-9445: In systemd through 233, certain sizes passed to dns_packet_new in systemd-resolved can cause it to allocate a buffer that's too small. A malicious DNS server can exploit this via a response with a specially crafted TCP payload to trick systemd-resolved into allocating a buffer that's too small, and

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-9445 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

systemd→ fixed in233-10urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y systemd
```

Debian bookworm

Source: Debian Security Tracker

systemd→ fixed in233-10urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y systemd
```

Debian trixie

Source: Debian Security Tracker

systemd→ fixed in233-10urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y systemd
```

Are YOU affected by CVE-2017-9445?

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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