CVE-2025-21052 Memory corruption in Samsung Mobile Devices
Local attackers can exploit an out-of-bounds write in JPEG decoding to cause memory corruption, potentially leading to code execution or privilege escalation on Samsung mobile devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-21052?
CVE-2025-21052 is a medium-severity memory corruption vulnerability in Samsung Android, published on 10 Oct 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-bounds write under specific condition in the pre-processing of JPEG decoding in libpadm.so prior to SMR Oct-2025 Release 1 allows local attackers to cause memory corruption.
Weakness: CWE-787
Which versions are affected by CVE-2025-21052?
It affects 1 product.
Products include Samsung Android.
How do I fix CVE-2025-21052?
No fix has been published for CVE-2025-21052 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-2025-21052 being exploited?
There is no known exploitation of CVE-2025-21052 in the wild and no public exploit code.
Other vulnerabilities in Samsung Android
Sources
Also known as GHSA-f62m-hccw-jq8q.