Medium severity5.5NVD Advisory· Published Sep 6, 2018· Updated Jun 17, 2026

CVE-2018-16648

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Artifex/Mupdfllm-fuzzy
Range: =1.13.0
osv-coords
pkg:rpm/opensuse/mupdf&distro=openSUSE%20Tumbleweed
Range: < 1.18.0-1.7

Patches

Vulnerability mechanics

References

bugs.ghostscript.com/show_bug.cginvdExploitThird Party Advisory
cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/nvd
lists.debian.org/debian-lts-announce/2020/07/msg00019.htmlnvd

News mentions

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cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000