CVE-2018-16647 · cross-distro fix matrix

CVE-2018-16647: In Artifex MuPDF 1.13.0, the pdf_get_xref_entry function in pdf/pdf-xref.c allows remote attackers to cause a denial of service (segmentation fault in fz_write_data in fitz/output.c) via a crafted pdf file.

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-16647 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

mupdf→ fixed in1.14.0+ds1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mupdf
```

Debian bookworm

Source: Debian Security Tracker

mupdf→ fixed in1.14.0+ds1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mupdf
```

Debian trixie

Source: Debian Security Tracker

mupdf→ fixed in1.14.0+ds1-4urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mupdf
```

Are YOU affected by CVE-2018-16647?

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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