CVSS v3
7.5
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
PDF-XChange Editor through 7.0.326.1 allows remote attackers to cause a denial of service (resource consumption) via a crafted x:xmpmeta structure, a related issue to CVE-2003-1564.
Technical details
- Published
- 2018-09-01
Frequently asked questions
What is CVE-2018-16303?
PDF-XChange Editor through 7.0.326.1 allows remote attackers to cause a denial of service (resource consumption) via a crafted x:xmpmeta structure, a related issue to CVE-2003-1564.
Is CVE-2018-16303 actively exploited?
Active exploitation of CVE-2018-16303 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-16303?
CVE-2018-16303 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-16303 affecting your environment?
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