What is CVE-2021-38567?

CVE-2021-38567 is a high-severity vulnerability in Foxit Pdf Reader, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-08-11.

How severe is CVE-2021-38567?

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

NULL pointer dereference in Foxit Pdf Reader

CVE-2021-38567

An issue was discovered in Foxit PDF Editor before 11.0.1 and PDF Reader before 11.0.1 on macOS. It mishandles missing dictionary entries, leading to a NULL pointer dereference, aka CNVD-C-2021-95204.

Published 2021-08-11 · 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: 0.010 (61.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

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

Frequently asked questions

What is CVE-2021-38567?: CVE-2021-38567 is a high-severity vulnerability in Foxit Pdf Reader, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-08-11.
How severe is CVE-2021-38567?: High severity. CVSS v3 base score is 7.5 out of 10.