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Vulnerability record · CVE-2018-18662 · published 26 October 2018

CVE-2018-18662: Artifex mupdf out-of-bounds read vulnerability

Artifex · Mupdf

There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool.

5.5 CVSS 3.0 Medium EPSS 1.6% · top 24.7% CWE-125 · Out-of-bounds read
5.5CVSS 3.0 base score, v2 4.3
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool.

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
http://www.securityfocus.com/bid/105755 Third Party AdvisoryVDB Entry
https://bugs.ghostscript.com/show_bug.cgi?id=700043 ExploitThird Party Advisory
https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=164ddc22ee0d5b63a81d5148f44c37dd132a9356
https://github.com/TeamSeri0us/pocs/tree/master/mupdf ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
http://www.securityfocus.com/bid/105755 Third Party AdvisoryVDB Entry
https://bugs.ghostscript.com/show_bug.cgi?id=700043 ExploitThird Party Advisory
https://github.com/TeamSeri0us/pocs/tree/master/mupdf ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2018-18662), CISA KEV, FIRST EPSS (scores of 2026-10-13). This page is refreshed as NVD updates the record.