CVE-2026-25781 kernel_liteos_a has an out-of-bounds write vulnerability
A local attacker can cause an unrecoverable denial of service in the OpenHarmony kernel via an out-of-bounds write vulnerability.
- 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-2026-25781?
CVE-2026-25781 is a high-severity memory corruption vulnerability in OpenHarmony, published on 19 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
in OpenHarmony v6.0 and prior versions allow a local attacker cause DOS and it cannot be recovered.
Weakness: CWE-787
Which versions are affected by CVE-2026-25781?
How do I fix CVE-2026-25781?
No fix has been published for CVE-2026-25781 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-2026-25781 being exploited?
There is no known exploitation of CVE-2026-25781 in the wild and no public exploit code.
Sources
Also known as GHSA-7f33-7337-2rhg.