In Artifex MuPDF 1.12.0 and earlier, multiple use of uninitialized value bugs in the PDF…
Priority LOW 28CWE-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 3.0 · NVD. Fix status from CNA.
Summary
In Artifex MuPDF 1.12.0 and earlier, multiple use of uninitialized value bugs in the PDF parser could allow an attacker to cause a denial of service (crash) or influence program flow via a crafted file.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01424 73rd 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
- None
- 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-2018-1000040
- 2026-10-03 Alias added: GHSA-c4gp-6356-63vc
References
Exploit 5
Advisory 2
Other 4
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=83d4dae44c71816c084a635550acc1a51529b881%3Bhp=f597300439e62f5e921f0d7b1e880b5c1a1f1607
- https://bugs.ghostscript.com/show_bug.cgi?id=699086
- https://bugs.ghostscript.com/show_bug.cgi?id=698904
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=ace9e69017c08e1e4ce5912014177414c0382004
Sources
- CVE-2018-1000040 · CVE Program
- CVE-2018-1000040 · NVD
- FIRST EPSS
- GHSA-c4gp-6356-63vc · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1000040 · 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