CVE-2021-33792 Memory corruption in n/a
An attacker can execute arbitrary code by tricking a user into opening a malicious PDF file with a crafted Trailer dictionary.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-33792?
CVE-2021-33792 is a high-severity memory corruption vulnerability in Foxitsoftware Foxit Reader, published on 9 Jul 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write via a crafted /Size key in the Trailer dictionary.
Weakness: CWE-787
Which versions are affected by CVE-2021-33792?
It affects 2 products.
Products include Foxitsoftware Foxit Reader, Foxitsoftware Phantompdf.
How do I fix CVE-2021-33792?
No fix has been published for CVE-2021-33792 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-33792 being exploited?
There is no known exploitation of CVE-2021-33792 in the wild and no public exploit code.
Other vulnerabilities in Foxitsoftware Foxit Reader
Sources
Also known as GHSA-v53r-f5mf-8x5c.