CVE-2025-34106

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.

PUBLISHED Reserved 2025-04-15 | Published 2025-07-15 | Updated 2026-05-14 | Assigner VulnCheck

Problem types

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

Credits

metacom finder

References

raw.githubusercontent.com/...ws/fileformat/shaper_pdf_bof.rb exploit

www.exploit-db.com/exploits/37760 exploit

www.pdfshaper.com/ product

vulners.com/vulnerlab/VULNERABLE:1579 third-party-advisory

www.vulncheck.com/...r-overflow-via-convert-to-image-feature third-party-advisory

cve.org (CVE-2025-34106)

nvd.nist.gov (CVE-2025-34106)

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