CVE-2026-21546: Android Unknown Package Denial of Service Vulnerability

:unknown: Updated 04 Jun 2026

Summary

01/06/2026
Yes i
High
Not published

CVE-2026-21546: ... Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2026-06-05. Fixed in SoCVersion:2026-06-05. How to fix ↓

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Background

The affected package is an unknown component within the Android ecosystem, which is widely used for mobile application development. Android provides a robust framework for building applications that can run on various devices. However, like any software, it is susceptible to vulnerabilities that can compromise its functionality and security.

Vulnerability Detail

This vulnerability is classified as a Denial of Service (DoS) issue, which arises from a flaw in the package's handling of specific inputs. An attacker could exploit this vulnerability to disrupt the normal operation of the application, leading to service unavailability. The vulnerability was introduced in SoCVersion:0 and has a high severity rating, indicating significant risk to users and applications relying on this package.

How To Fix

Minimum fixed version

SoCVersion:2026-06-05

This is the first release that contains the fix.

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

Workaround

As a temporary measure, consider implementing input validation to mitigate the risk of triggering the DoS condition until the patch can be applied. This can involve checking for unexpected input types or values before processing them.

Conclusion

In summary, CVE-2026-21546 is a high-severity Denial of Service vulnerability affecting an unknown Android package. Users are advised to update to the patched version released on June 5, 2026, to mitigate the risks associated with this vulnerability. Utilizing tools like Vulert can further enhance your application's security posture.

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FAQ

CVE-2026-21546 is a vulnerability in an unknown Android package that can lead to a Denial of Service (DoS) condition.

You can use the Vulert platform to check if your application is affected by this vulnerability without needing to install any software.

Exploiting this vulnerability can lead to service disruptions, making the application unavailable to users.

Yes, a patch is available as of June 5, 2026. Updating to the latest version of the package will resolve the issue.

Vulert is a tool that monitors and alerts for open-source vulnerabilities in software using just the gradle.lockfile. It provides real-time alerts and can help you identify vulnerabilities in your applications.

Related vulnerabilities

Recent vulnerabilities recorded for :unknown:.

How To Fix

Minimum fixed version

SoCVersion:2026-06-05

This is the first release that contains the fix.

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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