What is CVE-2021-46786?

CVE-2021-46786 is a critical-severity vulnerability in Huawei Emui, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2022-05-13.

How severe is CVE-2021-46786?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Huawei Emui

CVE-2021-46786

The audio module has a vulnerability in verifying the parameters passed by the application space.Successful exploitation of this vulnerability may cause out-of-bounds memory access.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Huawei Emui — versions 12.0.0, 10.1.0, 10.1.1
Huawei Harmonyos — versions 2.0
Huawei Magic_ui — versions 3.1.0, 3.1.1, 4.0.0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

psirt@huawei.com (x_refsource_MISC, Vendor Advisory)
psirt@huawei.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-46786?: CVE-2021-46786 is a critical-severity vulnerability in Huawei Emui, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2022-05-13.
How severe is CVE-2021-46786?: Critical severity. CVSS v3 base score is 9.8 out of 10.