CVE-2021-38563 Null dereference in n/a
A flaw in Foxit PDF Reader allows attackers to cause a denial of service via a malformed PDF file triggering a null pointer dereference.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-38563?
CVE-2021-38563 is a critical vulnerability in Foxit Pdf Reader, published on 11 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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).
Weakness: CWE-129
Which versions are affected by CVE-2021-38563?
It affects 2 products.
Products include Foxit Pdf Reader, Foxitsoftware Pdf Editor.
How do I fix CVE-2021-38563?
No fix has been published for CVE-2021-38563 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-38563 being exploited?
There is no known exploitation of CVE-2021-38563 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Reader
Sources
Also known as GHSA-w5rc-cq4p-9j77.