What is CVE-2025-53183?

CVE-2025-53183 is a medium-severity vulnerability in Huawei Harmonyos, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2025-07-07.

How severe is CVE-2025-53183?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Huawei Harmonyos

CVE-2025-53183

Null pointer dereference vulnerability in the PDF preview module Impact: Successful exploitation of this vulnerability may affect function stability.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Huawei Harmonyos — versions 5.1.0, 5.0.1

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-476 — NULL Pointer Dereference

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-53183?: CVE-2025-53183 is a medium-severity vulnerability in Huawei Harmonyos, classified under Heap-based Buffer Overflow. CVSS score: 6.5/10. Published 2025-07-07.
How severe is CVE-2025-53183?: Medium severity. CVSS v3 base score is 6.5 out of 10.