Mobile Application Vulnerability in Mattermost Affecting User Experience

CVE-2025-20072

What is CVE-2025-20072?

The Mattermost Mobile application before version 2.22.0 is susceptible to a flaw where it fails to adequately validate the style of proto supplied to an action's style in post.props.attachments. This vulnerability can be exploited by an attacker to introduce crafted malicious input, potentially leading to application crashes on user devices. This security issue underscores the importance of validating user inputs to maintain the integrity and reliability of mobile applications.

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