Executive brief
pdfforge PDF Architect is a PDF editing and management application used by professionals to create and modify PDF documents. This vulnerability allows attackers to execute arbitrary code on a user's computer by crafting a malicious PDF file. If a user opens the malicious PDF, the attacker gains full control of the system with the privileges of the current user, posing a significant risk to data confidentiality, integrity, and system availability.
Technical details
The vulnerability is an out-of-bounds write (buffer overflow) in the PDF file parsing engine of pdfforge PDF Architect. The flaw stems from insufficient validation of user-supplied data when processing PDF structures, allowing an attacker to write past the end of an allocated buffer on the heap or stack. The attack vector is local/adjacent (user interaction required) — the target must open a malicious PDF file or visit a malicious page that triggers the parser. Successful exploitation results in arbitrary code execution within the context of the PDF Architect process. No patch has been released as of the advisory date (August 31, 2026); mitigation is limited to avoiding interaction with untrusted PDF files.
Affected products
- pdfforge PDF Architect
Timeline
- 2026-02-19: disclosed: Vulnerability reported to vendor
- 2026-03-23: other: Vendor confirmed receipt of report
- 2026-08-31: advisory: Coordinated public release of advisory