CVE-2021-38563

Description

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 attempted incorrect array access (leading to a NULL pointer dereference, or out-of-bounds read or write).

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory foxitsoftware.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.foxitsoftware.com/support/security-bulletins.php vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-38563?
CVE-2021-38563 has been scored as a critical severity vulnerability.
How to fix CVE-2021-38563?
To fix CVE-2021-38563, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-38563 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-38563 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.