Security Vulnerabilities
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.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-23
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.
CVSS Score
8.8
EPSS Score
0.001
Published
2026-09-23
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.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-23
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.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-23
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.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-23
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 application crash.
CVSS Score
6.1
EPSS Score
0.001
Published
2026-09-23
A local privilege escalation vulnerability exists in the installer of Foxit PDF Editor for macOS due to insufficient validation of a user-modifiable configuration value during high-privilege upgrades. A local attacker could exploit this issue to execute arbitrary commands with root privileges.
CVSS Score
8.8
EPSS Score
0.001
Published
2026-09-23
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 arithmetic underflow, resulting in an out-of-bounds read and application crash.
CVSS Score
6.1
EPSS Score
0.001
Published
2026-09-23
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 and an application crash.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-23
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 condition and an application crash.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-09-23