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Vulnerability record · CVE-2018-1000038 · published 24 May 2018

CVE-2018-1000038: Artifex mupdf out-of-bounds write vulnerability

Artifex · Mupdf

In 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 arbitrary code via a crafted file.

7.8 CVSS 3.0 High EPSS 2.0% · top 20.4% CWE-787 · Out-of-bounds write
7.8CVSS 3.0 base score, v2 6.8
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In 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 arbitrary code via a crafted file.

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

Affected products

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

References

LinkTags
http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=71ceebcf56e682504da22c4035b39a2d451e8ffd%3Bhp=7f82c0152350505
http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=f597300439e62f5e921f0d7b1e880b5c1a1f1607%3Bhp=093fc3b098dc5fa
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5494 ExploitIssue TrackingPatchThird Party Advisory
https://bugs.ghostscript.com/show_bug.cgi?id=698884
https://security.gentoo.org/glsa/201811-15 Third Party Advisory
http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=71ceebcf56e682504da22c4035b39a2d451e8ffd%3Bhp=7f82c0152350505
http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=f597300439e62f5e921f0d7b1e880b5c1a1f1607%3Bhp=093fc3b098dc5fa
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5494 ExploitIssue TrackingPatchThird Party Advisory
https://bugs.ghostscript.com/show_bug.cgi?id=698884
https://security.gentoo.org/glsa/201811-15 Third Party Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2018-1000038), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.