In Artifex MuPDF 1.12.0 and earlier, multiple heap use after free bugs in the PDF parser…
Priority LOW 34CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01786 78th percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1000039
- 2026-10-03 Alias added: GHSA-mv25-m6g9-hcg7
References
Exploit 4
Advisory 1
Other 8
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=4dcc6affe04368461310a21238f7e1871a752a05%3Bhp=8ec561d1bccc46e9db40a9f61310cd8b3763914e
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=71ceebcf56e682504da22c4035b39a2d451e8ffd%3Bhp=7f82c01523505052615492f8e220f4348ba46995
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=f597300439e62f5e921f0d7b1e880b5c1a1f1607%3Bhp=093fc3b098dc5fadef5d8ad4b225db9fb124758b
- https://bugs.ghostscript.com/show_bug.cgi?id=698883
- https://bugs.ghostscript.com/show_bug.cgi?id=698888
- https://bugs.ghostscript.com/show_bug.cgi?id=698891
- https://bugs.ghostscript.com/show_bug.cgi?id=698892
- https://bugs.ghostscript.com/show_bug.cgi?id=698901
More Artifex Mupdf vulnerabilities
- TI-2024-16051 freeglut through 3.4.0 was discovered to contain a memory leak via the menuEntry variable… CVSS 3.1HIGH 7.5
- TI-2023-27942 A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF… CVSS 3.1HIGH 7.5
- TI-2021-02374 Double free in mupdf CVSS 3.1HIGH 7.8
- TI-2016-07185 Out-of-bounds write in Artifex MuPDF CVSS 3.1HIGH 7.8
- TI-2012-04514 SumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the… CVSS 3.1HIGH 7.8
- TI-2023-27939 A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF… CVSS 3.1HIGH 7.5
Sources
- CVE-2018-1000039 · CVE Program
- CVE-2018-1000039 · NVD
- FIRST EPSS
- GHSA-mv25-m6g9-hcg7 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1000039 · Red Hat security data · CC BY 4.0
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