What is CVE-2021-38563?

CVE-2021-38563 is a critical-severity vulnerability in Foxit Pdf_reader, classified under Improper Validation of Array Index. CVSS score: 9.8/10. Published 2021-08-11.

How severe is CVE-2021-38563?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Foxit Pdf_reader

CVE-2021-38563

An issue was discovered in Foxit PDF Reader before 11.0.1 and PDF Editor before 11.0.1. It mishandles situations in which an array size (derived from a /Size entry) is smaller than the maximum indirect object number, and thus there is an a…

EPSS: 0.011 (61.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Foxit Pdf_reader
Foxitsoftware Pdf_editor
N/a — versions n/a

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38563?: CVE-2021-38563 is a critical-severity vulnerability in Foxit Pdf_reader, classified under Improper Validation of Array Index. CVSS score: 9.8/10. Published 2021-08-11.
How severe is CVE-2021-38563?: Critical severity. CVSS v3 base score is 9.8 out of 10.