CVE-2026-85084 Out-of-bounds write in TizenFX MediaBufferBase indexer setter due to missing bounds check
An out-of-bounds write in TizenFX allows attackers to execute arbitrary code or cause denial of service via improper array index validation.
- 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-2026-85084?
CVE-2026-85084 is a medium-severity memory corruption vulnerability in Samsung Open Source TizenFX, published on 2 Sep 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 and Improper Validation of Array Index vulnerability in Samsung Open Source TizenFX Samsung/TizenFX allows Overflow Buffers.
Which versions are affected by CVE-2026-85084?
How do I fix CVE-2026-85084?
No fix has been published for CVE-2026-85084 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-2026-85084 being exploited?
There is no known exploitation of CVE-2026-85084 in the wild and no public exploit code.
Sources
Also known as GHSA-pch8-r8w2-4hxj.