CVE-2023-33876: Use After Free
A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. A specially-crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object which can lead to memory corruption and result in arbitrary code execution. A specially-crafted Javascript code inside a malicious PDF document can cause memory corruption and lead to remote code execution. Exploitation is also possible if a user visits a specially-crafted, malicious site if the browser plugin extension is enabled.
Other sources
A use-after-free vulnerability exists in the way Foxit Reader 12.1.2.15332 handles destroying annotations. Specially crafted Javascript code inside a malicious PDF document can trigger reuse of a previously freed object, which can lead to memory corruption and result in arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2023-33876?
CVE-2023-33876 is a use-after-free vulnerability in Foxit Reader 12.1.2.15332.
How does CVE-2023-33876 impact Foxit PDF Reader?
CVE-2023-33876 can lead to memory corruption and result in arbitrary code execution in Foxit PDF Reader 12.1.2.15332.
What is the severity of CVE-2023-33876?
The severity of CVE-2023-33876 is high, with a CVSS score of 8.8.
How can the use-after-free vulnerability in Foxit PDF Reader be fixed?
To fix the use-after-free vulnerability in Foxit PDF Reader, update to a version that has addressed this vulnerability.
Where can I find more information about CVE-2023-33876?
You can find more information about CVE-2023-33876 at https://talosintelligence.com/vulnerability_reports/TALOS-2023-1796.