CVE-2026-21542: Android Unknown Package DoS Vulnerability

:unknown: Updated 04 Jun 2026

Summary

01/06/2026
Yes i
High
Not published

CVE-2026-21542: ... Affects :unknown: versions >= SoCVersion:0, < SoCVersion:2026-06-05. Fixed in SoCVersion:2026-06-05. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored Devnack Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The affected package is part of the Android ecosystem, which is widely used for mobile applications. Android provides a platform for developers to create applications that can run on various devices. This specific package is currently unknown, but it is crucial to note that vulnerabilities in Android can lead to significant security risks, including denial of service (DoS) attacks.

Vulnerability Detail

This vulnerability, identified as CVE-2026-21542, originates from a flaw in the Android ecosystem that allows for a denial of service (DoS) attack. Attackers can exploit this vulnerability to disrupt the normal functioning of applications, potentially leading to crashes or unresponsive behavior. The severity of this vulnerability is classified as high, indicating that it poses a significant risk to users and applications relying on the affected 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, users can limit the exposure of the affected application by restricting its permissions or disabling it until the patch is applied. Additionally, monitoring tools like Vulert can be utilized to keep track of vulnerabilities in real-time.

Conclusion

In summary, CVE-2026-21542 represents a significant vulnerability within the Android ecosystem that can lead to denial of service attacks. It is crucial for users and developers to update their applications to the patched version to mitigate risks. Utilizing tools like Vulert can further enhance security by providing real-time monitoring.

See every vulnerability recorded for :unknown: →

Share this vulnerability

FAQ

CVE-2026-21542 is a high-severity vulnerability in the Android ecosystem that allows for denial of service (DoS) attacks.

You can check if your application is affected by using the Vulert playground at Vulert Scanner without any signup.

If your application is affected, you should update it to the patched version available as of SoCVersion:2026-06-05.

The potential impacts include application crashes and unresponsive behavior, which can disrupt user experience.

Vulert uses the gradle.lockfile to monitor and alert in real-time for open-source vulnerabilities in your software.

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback