CVE-2018-16648
5.5
MEDIUM
CVSS 3.1
EPSS 0.14%
Description
In Artifex MuPDF 1.13.0, the fz_append_byte function in fitz/buffer.c allows remote attackers to cause a denial of service (segmentation fault) via a crafted pdf file. This is caused by a pdf/pdf-device.c pdf_dev_alpha array-index underflow.
How to fix CVE-2018-16648
To remediate CVE-2018-16648, upgrade the affected package to a fixed version below.
- Debian/mupdf—upgrade to 1.14.0+ds1-4 or later
Is CVE-2018-16648 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.14.0+ds1-4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |