What is CVE-2019-20829?

CVE-2019-20829 is a high-severity vulnerability in Foxitsoftware Phantompdf, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2020-06-04.

How severe is CVE-2019-20829?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Foxitsoftware Phantompdf

CVE-2019-20829

An issue was discovered in Foxit Reader and PhantomPDF before 9.6. It has a NULL pointer dereference via FXSYS_wcslen in an Epub file.

Published 2020-06-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.015 (74.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

www.foxitsoftware.com/support/security-bulletins.php (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2019-20829?: CVE-2019-20829 is a high-severity vulnerability in Foxitsoftware Phantompdf, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2020-06-04.
How severe is CVE-2019-20829?: High severity. CVSS v3 base score is 7.5 out of 10.