Use After Free in Huawei Harmonyos

CVE-2025-54626

Pointer dangling vulnerability in the cjwindow module. Impact: Successful exploitation of this vulnerability may affect function stability.

Vulnerability class: Use-After-Free

EPSS: 0.001 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Huawei Harmonyos — versions 5.1.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-54626?: CVE-2025-54626 is a medium-severity vulnerability in Huawei Harmonyos, classified under Use After Free. CVSS score: 4.4/10. Published 2025-08-06.
How severe is CVE-2025-54626?: Medium severity. CVSS v3 base score is 4.4 out of 10.