CVE-2021-25461 Memory corruption in Samsung Mobile Devices

What is CVE-2021-25461?

CVE-2021-25461 is a medium-severity memory corruption vulnerability in Google Android, published on 9 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An improper length check in APAService prior to SMR Sep-2021 Release 1 results in stack based Buffer Overflow.

Weakness: CWE-787, CWE-120

Which versions are affected by CVE-2021-25461?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-25461?

No fix has been published for CVE-2021-25461 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-25461 being exploited?

There is no known exploitation of CVE-2021-25461 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8wjw-738x-7cm9.