CVE-2026-34852 Denial of service in HarmonyOS
A stack overflow in the HarmonyOS media platform allows attackers to cause a denial of service, affecting system availability.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-34852?
CVE-2026-34852 is a medium-severity denial of service vulnerability in Huawei Harmonyos, published on 13 Apr 2026. 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
Stack overflow vulnerability in the media platform. Impact: Successful exploitation of this vulnerability may affect availability.
Weakness: CWE-835
Which versions are affected by CVE-2026-34852?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2026-34852?
No fix has been published for CVE-2026-34852 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-34852 being exploited?
There is no known exploitation of CVE-2026-34852 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-7qf2-g97r-ch8v.