CVE-2020-22217 · cross-distro fix matrix

CVE-2020-22217: Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-22217 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

c-ares→ fixed in1.17.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y c-ares
```

Debian bookworm

Source: Debian Security Tracker

c-ares→ fixed in1.17.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y c-ares
```

Debian trixie

Source: Debian Security Tracker

c-ares→ fixed in1.17.1-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y c-ares
```

Are YOU affected by CVE-2020-22217?

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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