Foxit
Foxit PDF Reader: vulnerabilities and CVEs
Foxit PDF Reader has 374 published vulnerabilities, 90 of them in the last 12 months. 3 are rated critical and 0 are listed by CISA as actively exploited.
CVEs374
Last 12 months90
Critical3
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-91818 | High (7.8) | 0.12% | — | Sep 23, 2026 | 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… |
| CVE-2026-91817 | Medium (6.1) | 0.11% | — | Sep 23, 2026 | 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,… |
| CVE-2026-91816 | High (7.8) | 0.12% | — | Sep 23, 2026 | A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF annotations. Reentrant annotation deletion triggered by embedded JavaScript can cause the application to access an annotation object… |
| CVE-2026-91815 | High (7.8) | 0.13% | — | Sep 23, 2026 | 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… |
| CVE-2026-91814 | Medium (5.3) | 0.11% | — | Sep 23, 2026 | 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… |
| CVE-2026-91813 | High (8.8) | 0.09% | — | Sep 23, 2026 | 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… |
| CVE-2026-91812 | High (7.9) | 0.08% | — | Sep 23, 2026 | A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows man-in-the-middle attackers to bypass certificate validation and package integrity checks, potentially enabling arbitrary code execution with system… |
| CVE-2026-91811 | High (7.8) | 0.12% | — | Sep 23, 2026 | 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… |
| CVE-2026-91810 | Medium (6.1) | 0.11% | — | Sep 23, 2026 | 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,… |
| CVE-2026-91809 | High (7.8) | 0.12% | — | Sep 23, 2026 | 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… |
| CVE-2026-91807 | Medium (6.1) | 0.11% | — | Sep 23, 2026 | A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed image soft-mask data. Insufficient validation of the soft-mask data attribute during image parsing may cause an… |
| CVE-2026-91806 | High (7.8) | 0.12% | — | Sep 23, 2026 | 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… |
| CVE-2026-91805 | High (7.8) | 0.12% | — | Sep 23, 2026 | 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… |
| CVE-2026-91804 | High (7.8) | 0.12% | — | Sep 23, 2026 | 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… |
| CVE-2026-91803 | High (8.8) | 0.12% | — | Sep 23, 2026 | 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… |
| CVE-2026-91802 | High (7.8) | 0.12% | — | Sep 23, 2026 | 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… |
| CVE-2026-91801 | High (7.8) | 0.15% | — | Sep 23, 2026 | A path traversal vulnerability exists in Foxit PDF Editor/Reader's handling of embedded PDF resources. Insufficient validation of resource file paths may allow files to be written outside their intended locations,… |
| CVE-2026-91799 | High (7.8) | 0.13% | — | Sep 23, 2026 | 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… |
| CVE-2026-91798 | High (8.8) | 0.10% | — | Sep 23, 2026 | 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… |
| CVE-2026-91797 | High (7.8) | 0.21% | — | Sep 23, 2026 | 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… |
| CVE-2026-91796 | Medium (6.1) | 0.12% | — | Sep 23, 2026 | The interface of Foxit PDF Editor/Reader lacks the permission verification for secure reading mode, which allows specially crafted PDFs to trigger external SMB authentication without any security prompts and thereby… |
| CVE-2026-91795 | High (7.8) | 0.08% | — | Sep 23, 2026 | Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and… |
| CVE-2026-91794 | High (7.8) | 0.16% | — | Sep 23, 2026 | 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… |
| CVE-2026-91793 | High (7.8) | 0.13% | — | Sep 23, 2026 | 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… |
| CVE-2026-91792 | High (7.8) | 0.13% | — | Sep 23, 2026 | 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… |
| CVE-2026-91791 | High (7.8) | 0.14% | — | Sep 23, 2026 | When processing a specially crafted PDF file, Foxit PDF Editor/Reader may encounter a reentrant execution condition involving JavaScript triggered by page-visibility events. This can cause the application to access a… |
| CVE-2026-91790 | High (7.8) | 0.13% | — | Sep 23, 2026 | When rendering the page image, Foxit PDF Editor/Reader fails to perform validation on image objects whose optional content attributes are malformed. As a result, the program may access an already-freed internal data… |
| CVE-2026-91789 | High (7.8) | 0.16% | — | Sep 23, 2026 | 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… |
| CVE-2026-91788 | Medium (4.7) | 0.10% | — | Sep 23, 2026 | When implementing the JavaScript interface, Foxit PDF Editor/Reader did not perform the attribute authorization checks required by the specification. As a result, a trusted malicious PDF could potentially access… |
| CVE-2026-18622 | Medium (5.5) | 0.12% | — | Aug 13, 2026 | Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered… |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.