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-2026-91811: Out-of-bounds Write

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s PRC parser due to insufficient validation of vertex indices in triangular fan texture meshes. Successful exploitation could result in memory corruption and an 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-2026-91804: Out-of-bounds Write

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes...

CVE-2026-91803: Uncontrolled Search Path Element

A local privilege escalation vulnerability exists in the updater of Foxit PDF Editor/Reader due to unsafe loading of dynamic-link libraries from a user-writable directory during high-privilege operations. A local attacker could exploit this issue to execute code with elevated privileges...

CVE-2026-91802: Out-of-bounds Write

A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash...

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...

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-2026-91793: Use After Free

When opening a specially crafted PDF, Foxit PDF Editor/Reader executes scripts that modify annotation rich-text attributes containing malformed font data. During subsequent annotation appearance reconstruction, it accesses an object after it has been released, resulting in a use-after-free...

CVE-2026-91792: Use After Free

When processing a specially crafted PDF, Foxit PDF Editor/Reader may perform reentrant zoom and layout operations through page- and annotation-related JavaScript actions. This can cause the application to access page objects after they have been released, resulting in a use-after-free condition a...

PT-2026-97209

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description A Use-After-Free UAF issue occurs when the software renders a page image. The program fails to validate image objects with malformed optional content attributes, leading to th...

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-2026-91805: Use After Free

A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s PDF page-tree handling. A specially crafted PDF can trigger page-structure changes during rendering, causing the application to access released page objects and resulting in memory corruption and an application crash...

PT-2026-97210

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description A use-after-free condition exists when processing specially crafted PDF files. The issue occurs due to a reentrant execution condition involving JavaScript triggered by...

PT-2026-97231

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description An issue exists in the update mechanism of the software where improper certificate validation occurs. This allows a man-in-the-middle attacker to bypass package integrity...

PT-2026-97220

Name of the Vulnerable Software and Affected Versions Foxit PDF Editor/Reader affected versions not specified Description A path traversal issue exists in the handling of embedded PDF resources. Insufficient validation of resource file paths allows files to be written outside their intended...

CVE-2026-91794: Out-of-bounds Write

An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code execution...

KLA91298 Multiple vulnerabilites in Foxit Reader

Multiple vulnerabilities were found in Foxit Reader. Malicious users can exploit these vulnerabilities to obtain sensitive information, cause denial of service, execute arbitrary code, gain privileges, write local files, bypass security restrictions. Below is a complete list of vulnerabilities: 1...