In Artifex MuPDF 1.12.0 and earlier, multiple reachable assertions in the PDF parser…
Priority MEDIUM 58CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- 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 reachable assertions in the PDF parser allow an attacker to cause a denial of service (assert crash) via a crafted file.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.015 74th percentileScored 2026-11-07
Public exploit Yes 5 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
- Poc
- Automatable
- No
- Technical impact
- Partial
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-2018-1000037
- 2026-10-03 Alias added: GHSA-c9gq-c7g6-cr8x
References
Exploit 5
Advisory 2
Other 7
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=8a3257b01faa899dd9b5e35c6bb3403cd709c371%3Bhp=de39f005f12a1afc6973c1f5cec362d6545f70cb
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=b2e7d38e845c7d4922d05e6e41f3a2dc1bc1b14a%3Bhp=f51836b9732c38d945b87fda0770009a77ba680c
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=71ceebcf56e682504da22c4035b39a2d451e8ffd%3Bhp=7f82c01523505052615492f8e220f4348ba46995
- https://bugs.ghostscript.com/show_bug.cgi?id=698888
- https://bugs.ghostscript.com/show_bug.cgi?id=698882
- https://bugs.ghostscript.com/show_bug.cgi?id=698886
- https://bugs.ghostscript.com/show_bug.cgi?id=698890
Sources
- CVE-2018-1000037 · CVE Program
- CVE-2018-1000037 · NVD
- FIRST EPSS
- GHSA-c9gq-c7g6-cr8x · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1000037 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences