CVE-2018-1000037

In MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to...

5.5 MediumFix available

In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.50%Down 1.3 points since Apr 14, 2021

What each source reports

CVE List 5.5

In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

Record: CVE-2018-1000037
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-20
Updated: 2026-11-02

EUVDEUVD-2018-1798 5.5

In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

Record: EUVD-2018-1798
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-c9gq-c7g6-cr8x 5.5

In MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to...

In MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

Record: GHSA-c9gq-c7g6-cr8x
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-20
Updated: 2026-11-02

NVD 5.5

In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

Record: CVE-2018-1000037
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-20
Updated: 2026-11-02

OSV 5.5

In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

Record: CVE-2018-1000037
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-1000037 5.5

In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

Record: DEBIAN-CVE-2018-1000037
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-1000037 5.5

In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.

Record: UBUNTU-CVE-2018-1000037
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`mupdf` Debian:12	before 1.13.0+ds1-1	1.13.0+ds1-1
`mupdf` Debian:13	before 1.13.0+ds1-1	1.13.0+ds1-1
`mupdf` Debian:14	before 1.13.0+ds1-1	1.13.0+ds1-1
`mupdf` Debian:9	before 1.9a+ds1-4+deb9u4, plus listed versions 1.9a+ds1-41.9a+ds1-4+deb9u11.9a+ds1-4+deb9u21.9a+ds1-4+deb9u3	1.9a+ds1-4+deb9u4
`mupdf` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 1.7-11.7a-11.7a-1ubuntu0.1~esm1	None known
`mupdf` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 1.11+ds1-1.11.11+ds1-21.12.0+ds1-11.12.0+ds1-1ubuntu0.1~esm11.12.0+ds1-1ubuntu0.1~esm2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-1000037 is a medium vulnerability (CVSS 5.5) in Artifex Mupdf, published May 24, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. Fixed in mupdf 1.13.0+ds1-1.

References

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