CVE-2026-0100: Android Framework Base Heap Buffer Overflow Vulnerability
Summary
CVE-2026-0100: In Load of LoadedArsc.cpp, there is a possible out of bounds write due to a heap buffer overflow. Affects platform/frameworks/base across 5 version ranges.
>= 14:0, < 14:2026-06-01
>= 15:0, < 15:2026-06-01
>= 16:0, < 16:2026-06-01
>= 16-qpr2:0, < 16-qpr2:2026-06-01
>= 17-next:0, < 17-next:2026-06-01
Fixed in 17-next:2026-06-01. How to fix ↓
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Background
The Android Framework Base is a core component of the Android operating system, providing essential services and APIs for application development. It includes libraries and tools that allow developers to create robust applications. However, vulnerabilities within this framework can lead to significant security risks, including unauthorized access and privilege escalation.
Vulnerability Detail
In the Load function of LoadedArsc.cpp, a heap buffer overflow vulnerability exists, which allows for an out-of-bounds write. This flaw can lead to local escalation of privileges without requiring additional execution privileges. The vulnerability arises from improper handling of memory allocation, which can be exploited by attackers to gain unauthorized access to system resources.
How To Fix
Minimum fixed version
17-next:2026-06-01
This is the first release that contains the fix.
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Workaround
As a temporary measure, consider implementing stricter memory management practices in your application to mitigate the risk of exploitation. This includes validating input sizes and ensuring that memory allocations are handled correctly.
Conclusion
The CVE-2026-0100 vulnerability in the Android Framework Base poses a significant security risk due to its potential for local privilege escalation through a heap buffer overflow. It is crucial to update to the patched versions to mitigate this risk and ensure the security of applications built on this framework.
See every vulnerability recorded for platform/frameworks/base →
FAQ
CVE-2026-0100 is a vulnerability in the Android Framework Base that allows for a heap buffer overflow, potentially leading to local privilege escalation.
You can check if your application is affected by using Vulert, which monitors open-source vulnerabilities in real-time. Visit the Vulert playground at Vulert Scanner to analyze your application without any signup.
The primary risk is local escalation of privileges, which could allow an attacker to gain unauthorized access to sensitive system resources or data.
No, user interaction is not needed for exploitation, making it particularly dangerous.
If immediate updates are not possible, implement stricter memory management practices and monitor your application for unusual behavior.
References
Related vulnerabilities
Recent vulnerabilities recorded for platform/frameworks/base.
