← Vulnerability feed

Vulnerability record · CVE-2018-16648 · published 6 September 2018

CVE-2018-16648: Artifex mupdf vulnerability

Artifex · Mupdf

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.

5.5 CVSS 3.0 Medium EPSS 1.5% · top 26.9% CWE-129 · CWE-129
5.5CVSS 3.0 base score, v2 4.3
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugs.ghostscript.com/show_bug.cgi?id=699685 ExploitThird Party Advisory
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=38f883fe129a5e89306252a4676eaaf4bc968824
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
https://bugs.ghostscript.com/show_bug.cgi?id=699685 ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html

Track CVE-2018-16648 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-7321Artifex mupdf out-of-bounds write vulnerabilityUsage of an uninitialized variable in the function fz_load_jpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an atta…EPSS 3.2%9.8CVE-2016-6525Debian linux memory buffer overflow vulnerabilityHeap-based buffer overflow in the pdf_load_mesh_params function in pdf/pdf-shade.c in MuPDF allows remote attackers to cause a denial of service (cra…EPSS 3.8%9.3CVE-2011-0341Artifex mupdf memory buffer overflow vulnerabilityStack-based buffer overflow in the pdfmoz_onmouse function in apps/mozilla/moz_main.c in the MuPDF plug-in 2008.09.02 for Firefox allows remote attac…EPSS 3.8%7.8CVE-2020-16600Artifex mupdf use after free vulnerabilityA Use After Free vulnerability exists in Artifex Software, Inc. MuPDF library 1.17.0-rc1 and earlier when a valid page was followed by a page with in…EPSS 0.96%7.8CVE-2012-5340Sumatrapdfreader sumatrapdf integer overflow vulnerabilitySumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the lex_number() function via a corrupt PDF file.EPSS 5.7%7.8CVE-2019-13290Artifex mupdf out-of-bounds write vulnerabilityArtifex MuPDF 1.15.0 has a heap-based buffer overflow in fz_append_display_node located at fitz/list-device.c, allowing remote attackers to execute a…EPSS 3.0%7.8CVE-2018-1000038Artifex mupdf out-of-bounds write vulnerabilityIn Artifex MuPDF 1.12.0 and earlier, a stack buffer overflow in function pdf_lookup_cmap_full in pdf/pdf-cmap.c could allow an attacker to execute ar…EPSS 1.9%7.8CVE-2016-8728Artifex mupdf out-of-bounds write vulnerabilityAn exploitable heap out of bounds write vulnerability exists in the Fitz graphical library part of the MuPDF renderer. A specially crafted PDF file c…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2018-16648), CISA KEV, FIRST EPSS (scores of 2026-10-13). This page is refreshed as NVD updates the record.