What is CVE-2021-36997?

CVE-2021-36997 is a medium-severity vulnerability in Huawei Emui. CVSS score: 5.3/10. Published 2021-10-28.

How severe is CVE-2021-36997?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Huawei Emui

CVE-2021-36997

There is a Low memory error in Huawei Smartphone due to the unlimited size of images to be parsed.Successful exploitation of this vulnerability may cause the Gallery or Files app to exit unexpectedly.

Published 2021-10-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.007 (49.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Huawei Emui — versions 11.0.0, 10.1.1
Huawei Magic Ui — versions 4.0.0, 3.1.1
Huawei Magic Ui — versions 3.1.1, 4.0.0

References

consumer.huawei.com/en/support/bulletin/2021/7/ (Vendor Advisory)

Frequently asked questions

What is CVE-2021-36997?: CVE-2021-36997 is a medium-severity vulnerability in Huawei Emui. CVSS score: 5.3/10. Published 2021-10-28.
How severe is CVE-2021-36997?: Medium severity. CVSS v3 base score is 5.3 out of 10.