CVE-2026-91797: External Control of File Name or Path

Foxit PDF Editor/Reader failed to validate the directory traversal path in the attachment file name, resulting in malicious attachments being able to be written to directories outside the expected secure area when the PDF is opened...

Foxit PDF Reader PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsi...

CVE-2026-91815: Out-of-bounds Write

Foxit PDF Editor/Reader does not perform sufficient verification of the JPEG2000 image metadata in the PDF file, which leads to out-of-bounds write in the heap buffer during decoding, potentially causing the program to crash and introducing the risk of arbitrary code execution...

CVE-2026-91814: Improper Verification of Cryptographic Signature

A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents. Changes to visible document content may not invalidate the existing signature, allowing attackers to alter signed content and potentially carry out content spoofing while the...

CVE-2026-91813: Time-of-check Time-of-use (TOCTOU) Race Condition

A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attackers to execute arbitrary code with elevated privileges...

CVE-2026-91810: Out-of-bounds Read

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed PDF image masks. Inconsistent image metadata may cause incorrect alpha-channel processing during rendering, resulting in an out-of-bounds read and application crash...

CVE-2026-91809: Use After Free

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed PDF form fields. Improper validation during field-name traversal may cause the application to access a released object, resulting in an application crash...

CVE-2026-91808: Out-of-bounds Read

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor Reader’s handling of PDF image objects with inconsistent compression metadata. Insufficient validation during image decoding may result in an undersized buffer and an out-of-bounds read during rendering, causing an applicati...

CVE-2026-91806: Use After Free

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF form fields. Embedded JavaScript may access form-field references after the corresponding fields have been released, resulting in an application crash...

CVE-2026-91799: Use After Free

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of JavaScript array objects. A specially crafted PDF may cause the application to access a released object during array processing, potentially resulting in application crashes or arbitrary code execution...

CVE-2026-91798: Incorrect Permission Assignment for Critical Resource

A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher privileges...

CVE-2026-91789: Out-of-bounds Write

Foxit PDF Editor/Reader’s U3D/GIF texture decoding path contained insufficient validation of image dimensions and related size information. Under certain conditions, this could lead to an incorrectly sized memory allocation and a subsequent out-of-bounds write during pixel processing, potentially...

PT-2026-97228

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description A use-after-free issue occurs during the handling of malformed PDF form fields. This happens because of improper validation during field-name traversal, which may lead the...

PT-2026-97227

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor Reader affected versions not specified Description A heap-based out-of-bounds read occurs during the handling of PDF image objects with inconsistent compression metadata. Insufficient validation during image decoding can lead ...

PT-2026-97223

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description A heap-based out-of-bounds write occurs during the rendering of Circle annotations when processing malformed Cloudy appearance streams within specially crafted PDF files. This...

PT-2026-97233

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description A signature validation issue exists in the way Foxit PDF Editor/Reader handles incrementally updated PDF documents. This flaw allows changes to be made to the visible content ...

PT-2026-97217

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description A local privilege escalation issue exists in the update daemon of Foxit PDF Editor/Reader. This is caused by an insecure permission configuration that allows regular users to...

PT-2026-97232

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description A race condition exists in the update mechanism of Foxit PDF Editor/Reader. Due to insufficient file locking and integrity validation, an update package can be replaced by a...

CVE-2026-91818: Use After Free

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s JavaScript handling of PDF annotations. Reentrant page-event processing during annotation enumeration may release the associated page object, which is subsequently accessed, resulting in an application crash...

CVE-2026-91817: Out-of-bounds Read

A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash...