CVE-2026-5494

Received Received - Intake

Out-of-Bounds Write in Proteus PDSPRJ Files Enables RCE

Publication date: 2026-04-11

Last updated on: 2026-04-27

Assigner: Zero Day Initiative

Description

Labcenter Electronics Proteus PDSPRJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Labcenter Electronics Proteus. 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 processing of PDSPRJ 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 buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25719.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-04-11

Last Modified

2026-04-27

Generated

2026-07-06

AI Q&A

2026-04-11

EPSS Evaluated

2026-07-05

NVD

CVE-2026-5494

EUVD

EUVD-2026-21668

Affected Vendors & Products

Vendor	Product	Version / Range
labcenter	proteus	8.17

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Compliance Impact

This vulnerability allows remote attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability of the affected system. Such a compromise could lead to unauthorized access or modification of sensitive data.

Because of the potential for data breaches or unauthorized data manipulation, organizations using the affected software may face challenges in maintaining compliance with standards and regulations like GDPR and HIPAA, which require protection of personal and sensitive information.

However, the provided information does not explicitly detail the direct impact on compliance frameworks or specific regulatory requirements.

Executive Summary

CVE-2026-5494 is a remote code execution vulnerability in Labcenter Electronics Proteus that occurs during the parsing of PDSPRJ files.

The vulnerability is caused by improper validation of user-supplied data, which leads to an out-of-bounds write past the end of an allocated buffer.

An attacker can exploit this flaw by tricking a user into visiting a malicious webpage or opening a specially crafted PDSPRJ file, allowing the attacker to execute arbitrary code with the privileges of the current process.

Impact Analysis

This vulnerability can have severe impacts including unauthorized remote code execution on affected systems.

An attacker can execute arbitrary code with the same privileges as the current process.
It can compromise the confidentiality, integrity, and availability of the affected system.
Exploitation requires user interaction, such as opening a malicious file or visiting a malicious webpage.

Mitigation Strategies

To mitigate this vulnerability, avoid opening PDSPRJ files from untrusted or unknown sources and do not visit malicious webpages that may deliver crafted PDSPRJ files.

Ensure that users are aware of the risk and exercise caution when handling files or links related to Labcenter Electronics Proteus.

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