CVE-2025-48539 Use after free in Android
A use-after-free vulnerability in Android's ACL arbiter allows remote attackers to execute arbitrary code without user interaction or privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-48539?
CVE-2025-48539 is a high-severity use after free vulnerability in Google Android, published on 4 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In SendPacketToPeer of acl_arbiter.cc, there is a possible out of bounds read due to a use after free. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-416
Which versions are affected by CVE-2025-48539?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2025-48539?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-48539 being exploited?
There is no known exploitation of CVE-2025-48539 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-406785684, ASB-A-406785684, GHSA-f769-ghq4-665p.