Vulnerability · Published Jul 15, 2025 · Assigned by VulnCheck
CVE-2025-34106PDF Shaper v3.5/3.6 Buffer Overflow via Convert to Image Feature
High 8.4
In plain English
A high-severity memory corruption in PDF Shaper from Burnaware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 39% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit.
Official description
A buffer overflow vulnerability exists in PDF Shaper versions 3.5 and 3.6 when converting a crafted PDF file to an image using the 'Convert PDF to Image' functionality. An attacker can exploit this vulnerability by tricking a user into opening a maliciously crafted PDF file, leading to arbitrary code execution under the context of the user. This vulnerability has been verified on Windows XP, 7, 8, and 10 platforms using the PDFTools.exe component.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Burnaware | PDF Shaper | 3.5 – through 3.6 |
Weakness: CWE-119, CWE-120 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/fileformat/shaper_pdf_bof.rb exploit
- https://www.exploit-db.com/exploits/37760 exploit
- https://www.pdfshaper.com/ product
- https://vulners.com/vulnerlab/VULNERABLE:1579 third-party-advisory
- https://www.vulncheck.com/advisories/pdf-shaper-buffer-overflow-via-convert-to-image-feature third-party-advisory