CVE-2017-13720 · cross-distro fix matrix

CVE-2017-13720: In the PatternMatch function in fontfile/fontdir.c in libXfont through 1.5.2 and 2.x before 2.0.2, an attacker with access to an X connection can cause a buffer over-read during pattern matching of fonts, leading to information disclosure or a crash (denial of service). This occurs because '\0' char

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

Fix per ecosystem

Each block below is a distro release where CVE-2017-13720 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

libxfont→ fixed in1:2.0.1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libxfont
```

Debian bookworm

Source: Debian Security Tracker

libxfont→ fixed in1:2.0.1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libxfont
```

Debian trixie

Source: Debian Security Tracker

libxfont→ fixed in1:2.0.1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libxfont
```

Are YOU affected by CVE-2017-13720?

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

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