CVE-2018-1000039

In MuPDF 1.12.0 and earlier, multiple heap use after free bugs in the PDF parser could allow an...

7.8 HighFix available

In Artifex MuPDF 1.12.0 and earlier, multiple heap use after free bugs in the PDF parser could allow an attacker to execute arbitrary code, read memory, or cause a denial of service 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: High
Integrity: High
Availability: High

Exploit likelihood

1.79%Down 2.2 points since Apr 14, 2021

What each source reports

CVE List 6.3

Record: CVE-2018-1000039
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

EUVDEUVD-2018-1800 6.3

Record: EUVD-2018-1800
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mv25-m6g9-hcg7 7.8

In MuPDF 1.12.0 and earlier, multiple heap use after free bugs in the PDF parser could allow an...

In MuPDF 1.12.0 and earlier, multiple heap use after free bugs in the PDF parser could allow an attacker to execute arbitrary code, read memory, or cause a denial of service via a crafted file.

Record: GHSA-mv25-m6g9-hcg7
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

NVD 6.3

Record: CVE-2018-1000039
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-416
Updated: 2026-11-02

OSV 7.8

Record: CVE-2018-1000039
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-1000039 7.8

Record: DEBIAN-CVE-2018-1000039
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2018-1000039 6.3

Record: UBUNTU-CVE-2018-1000039
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

artifex mupdf

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` 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-2018-1000039 is a high vulnerability (CVSS 7.8) 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 1.79%, the 78th percentile. Fixed in mupdf 1.13.0+ds1-1.

References

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