CVE-2021-21870 in Foxit Software and Foxit Products
Published on August 5, 2021
A use-after-free vulnerability exists in the JavaScript engine of Foxit Softwares PDF Reader, version 10.1.4.37651. A specially crafted PDF document can trigger the reuse of previously free memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening a malicious file or site to trigger this vulnerability if the browser plugin extension is enabled.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2021-21870 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2021-21870
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Exploit Probability
EPSS
0.86%
Percentile
74.85%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.