CVE-2025-20889 Memory corruption in Samsung Mobile Devices
Local attackers can read arbitrary memory via a malformed bitstream in the thumbnail decoder, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-20889?
CVE-2025-20889 is a medium-severity memory corruption vulnerability in Samsung Android, published on 4 Feb 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Out-of-bounds read in decoding malformed bitstream for smp4vtd in libsthmbc.so prior to SMR Jan-2025 Release 1 allows local attackers to read arbitrary memory. User interaction is required for triggering this vulnerability.
Weakness: CWE-787
Which versions are affected by CVE-2025-20889?
It affects 1 product.
Products include Samsung Android.
How do I fix CVE-2025-20889?
No fix has been published for CVE-2025-20889 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-2025-20889 being exploited?
There is no known exploitation of CVE-2025-20889 in the wild and no public exploit code.
Other vulnerabilities in Samsung Android
Sources
Also known as GHSA-2ghh-xmvf-53hw.