pdfforge PDF Architect 9.1.83.23106 PDF File Parsing out-of-bounds write

Summaryinfo

A vulnerability was found in pdfforge PDF Architect 9.1.83.23106. It has been classified as critical. The affected element is an unknown function of the component PDF File Parsing. The manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2026-92177. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in pdfforge PDF Architect 9.1.83.23106 and classified as critical. This issue affects an unknown code block of the component PDF File Parsing. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

pdfforge PDF Architect PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. 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. Was ZDI-CAN-28673.

The advisory is shared at zerodayinitiative.com. The identification of this vulnerability is CVE-2026-92177 since 09/15/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/15/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• pdfforge

Name

• PDF Architect

Version

• 9.1.83.23106

CPE 2.3info

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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