CVE-2025-54626 Use after free in HarmonyOS
A dangling pointer in the cjwindow module of HarmonyOS can lead to function instability and potential denial of service.
- 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-2025-54626?
CVE-2025-54626 is a medium-severity use after free vulnerability in Huawei Harmonyos, published on 6 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Pointer dangling vulnerability in the cjwindow module. Impact: Successful exploitation of this vulnerability may affect function stability.
Weakness: CWE-416
Which versions are affected by CVE-2025-54626?
It affects 1 product.
Products include Huawei Harmonyos.
How do I fix CVE-2025-54626?
No fix has been published for CVE-2025-54626 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-54626 being exploited?
There is no known exploitation of CVE-2025-54626 in the wild and no public exploit code.
Other vulnerabilities in Huawei Harmonyos
Sources
Also known as GHSA-f3jp-6rc6-g37c.