CVE-2018-10199 · cross-distro fix matrix

CVE-2018-10199: In versions of mruby up to and including 1.4.0, a use-after-free vulnerability exists in src/io.c::File#initilialize_copy(). An attacker that can cause Ruby code to be run can possibly use this to execute arbitrary code.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-10199 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

mruby→ fixed in1.4.0+20180418+git54905e98-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mruby
```

Debian bookworm

Source: Debian Security Tracker

mruby→ fixed in1.4.0+20180418+git54905e98-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mruby
```

Debian trixie

Source: Debian Security Tracker

mruby→ fixed in1.4.0+20180418+git54905e98-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mruby
```

Are YOU affected by CVE-2018-10199?

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.

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