What is CVE-2026-58552?

CVE-2026-58552 is a medium-severity vulnerability in Huawei Harmonyos, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.1/10. Published 2026-07-15.

How severe is CVE-2026-58552?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Buffer overflow in Huawei Harmonyos

CVE-2026-58552

Out-of-bounds read vulnerability in the image codec module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Huawei Harmonyos — versions 6.1.0

Weakness classification (CWE)

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

References

psirt@huawei.com
psirt@huawei.com
psirt@huawei.com
psirt@huawei.com

Frequently asked questions

What is CVE-2026-58552?: CVE-2026-58552 is a medium-severity vulnerability in Huawei Harmonyos, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.1/10. Published 2026-07-15.
How severe is CVE-2026-58552?: Medium severity. CVSS v3 base score is 5.1 out of 10.