CVE-2026-28546 Memory corruption in HarmonyOS

Medium 5.9 Published Updated

A buffer overflow in the HarmonyOS scanning module allows attackers to cause a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-28546?

CVE-2026-28546 is a medium-severity memory corruption vulnerability in Huawei Harmonyos, published on 5 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow vulnerability in the scanning module. Impact: Successful exploitation of this vulnerability may affect availability.

Weakness: CWE-122

Which versions are affected by CVE-2026-28546?

It affects 1 product.

Products include Huawei Harmonyos.

How do I fix CVE-2026-28546?

No fix has been published for CVE-2026-28546 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-2026-28546 being exploited?

There is no known exploitation of CVE-2026-28546 in the wild and no public exploit code.

All Huawei Harmonyos vulnerabilities

Sources

Also known as GHSA-gj43-6mgj-5f4v.

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