CVE-2026-23791 Memory corruption in Exynos 1280 firmware
Out-of-bounds write in Exynos DPU driver allows kernel memory corruption and privilege escalation via LUT parsing.
- 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-2026-23791?
CVE-2026-23791 is a medium-severity memory corruption vulnerability in Samsung Exynos 1280 firmware, published on 14 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in DPU in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. An out-of-bounds write vulnerability in the Exynos DPU driver (due to missing input length validation in color mode LUT parsing) leads to kernel memory corruption and potential privilege escalation.
Weakness: CWE-787
Which versions are affected by CVE-2026-23791?
How do I fix CVE-2026-23791?
No fix has been published for CVE-2026-23791 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-2026-23791 being exploited?
There is no known exploitation of CVE-2026-23791 in the wild and no public exploit code.
Sources
Also known as GHSA-wxrg-cw89-wcjm.