CVSS v3
7.8
HIGH
EPSS Score
2.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In Artifex MuPDF 1.12.0 and earlier, a stack buffer overflow in function pdf_lookup_cmap_full in pdf/pdf-cmap.c could allow an attacker to execute arbitrary code via a crafted file.
Technical details
- Published
- 2018-05-24
Frequently asked questions
What is CVE-2018-1000038?
In Artifex MuPDF 1.12.0 and earlier, a stack buffer overflow in function pdf_lookup_cmap_full in pdf/pdf-cmap.c could allow an attacker to execute arbitrary code via a crafted file.
Is CVE-2018-1000038 actively exploited?
Active exploitation of CVE-2018-1000038 has not been confirmed. Its EPSS score was 2.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-1000038?
CVE-2018-1000038 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2018-1000038 affecting your environment?
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