CVE-2025-55309 Use after free in n/a
A crafted PDF triggers a use-after-free in Foxit PDF/Editor via JavaScript and right-click interaction, potentially allowing code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-55309?
CVE-2025-55309 is a medium-severity use after free vulnerability in Foxit Pdf Editor, published on 11 Dec 2025. 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
An issue was discovered in Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2. A crafted PDF can contain JavaScript that attaches an OnBlur action on a form field that destroys an annotation. During user right-click interaction, the program's internal focus change handling prematurely releases the annotation object, resulting in a use-after-free vulnerability that may cause memory corruption or application crashes.
Weakness: CWE-416
Which versions are affected by CVE-2025-55309?
It affects 2 products.
Products include Foxit Pdf Editor, Foxit Pdf Reader.
How do I fix CVE-2025-55309?
No fix has been published for CVE-2025-55309 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-55309 being exploited?
There is no known exploitation of CVE-2025-55309 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Editor
Sources
Also known as GHSA-2qrh-gx2c-m6wj.