CVE-2026-21065 Memory corruption in Samsung Mobile Devices
Local attackers can exploit an out-of-bounds write in the codec library to execute arbitrary code or escalate privileges on Samsung mobile devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21065?
CVE-2026-21065 is a medium-severity memory corruption vulnerability in Samsung Android, published on 10 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-bounds write in libcodec2secqcelpdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.
Weakness: CWE-20
Which versions are affected by CVE-2026-21065?
It affects 1 product.
Products include Samsung Android.
How do I fix CVE-2026-21065?
No fix has been published for CVE-2026-21065 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-2026-21065 being exploited?
There is no known exploitation of CVE-2026-21065 in the wild and no public exploit code.
Other vulnerabilities in Samsung Android
Sources
Also known as GHSA-9qvh-m28f-hcq2.