CVE-2026-21540: Android Unknown Package DoS Vulnerability
Summary
CVE-2026-21540: ... 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 part of the Android ecosystem, which is widely used for mobile devices. Android provides a platform for developers to create applications that can run on various devices. This specific package, while not explicitly named, is crucial for the functionality of certain applications. The vulnerability in question exposes the package to a Denial of Service (DoS) attack, which can disrupt the normal operation of applications relying on it.
Vulnerability Detail
The vulnerability arises from a flaw in the package that allows an attacker to exploit it, leading to a Denial of Service (DoS). This means that the affected applications may become unresponsive or crash, severely impacting user experience. The issue was introduced in SoCVersion:0 and can be exploited until the fixed version, SoCVersion:2026-06-05, is applied. The severity of this vulnerability is classified as high, indicating that it poses a 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.
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Workaround
As of now, no specific workarounds have been provided for this vulnerability. However, users are advised to monitor their applications for unusual behavior and ensure that they are prepared to apply the patch as soon as it becomes available.
Conclusion
In summary, CVE-2026-21540 is a high-severity vulnerability affecting an unknown Android package, which can lead to Denial of Service (DoS) attacks. Users are encouraged to update to the patched version to mitigate risks and monitor their applications for any unusual behavior.
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FAQ
CVE-2026-21540 is a high-severity vulnerability in an unknown Android package that allows for Denial of Service (DoS) attacks.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor for open-source vulnerabilities without requiring any signup.
If your application is affected, you should update to the patched version, SoCVersion:2026-06-05, as soon as possible to mitigate the risk.
The vulnerability can lead to Denial of Service (DoS), causing applications to become unresponsive or crash, which can significantly affect user experience.
Yes, Vulert provides a service that uses gradle.lockfile to monitor and alert in real-time for open-source vulnerabilities in your software.
References
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