CVE-2019-20396 · cross-distro fix matrix

CVE-2019-20396: A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.

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

Fix per ecosystem

Each block below is a distro release where CVE-2019-20396 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libyang→ fixed in1.0.176-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libyang
```

Debian trixie

Source: Debian Security Tracker

libyang→ fixed in1.0.176-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libyang
```

Are YOU affected by CVE-2019-20396?

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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