What is CVE-2024-56456?

CVE-2024-56456 is a medium-severity vulnerability in Huawei Harmonyos, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.8/10. Published 2025-01-08.

How severe is CVE-2024-56456?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Buffer overflow in Huawei Harmonyos

CVE-2024-56456

Vulnerability of input parameters not being verified during glTF model loading in the 3D engine module Impact: Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

Affected products

Huawei Harmonyos — versions 5.0.0

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-56456?: CVE-2024-56456 is a medium-severity vulnerability in Huawei Harmonyos, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.8/10. Published 2025-01-08.
How severe is CVE-2024-56456?: Medium severity. CVSS v3 base score is 6.8 out of 10.