CVE-2020-25739 · cross-distro fix matrix

CVE-2020-25739: An issue was discovered in the gon gem before gon-6.4.0 for Ruby. MultiJson does not honor the escape_mode parameter to escape fields as an XSS protection mechanism. To mitigate, json_dumper.rb in gon now does escaping for XSS by default without relying on MultiJson.

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-25739 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

ruby-gon→ fixed in6.4.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby-gon
```

Debian bookworm

Source: Debian Security Tracker

ruby-gon→ fixed in6.4.0-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y ruby-gon
```

Are YOU affected by CVE-2020-25739?

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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