(0Day) pdfforge PDF Architect PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of pdfforge PDF Architect. 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 parsing of PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
01/27/26 – ZDI reported the vulnerability to the vendor
03/23/26 – the vendor confirmed the receipt of the report
06/23/26 – ZDI asked for updates
07/13/26 – ZDI notified the vendor of the intention to publish the case as 0-day advisory
-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the product
Disclosure Timeline
- 2026-01-27 - Vulnerability reported to vendor
- 2026-08-31 - Coordinated public release of advisory
- 2026-08-31 - Advisory Updated
Credit
soiax