Cyber Resilience

CVE-2021-39804

Medium

Published: 12 April 2022

Published
12 April 2022
Modified
21 November 2024
KEV Added
—
Patch
01 April 2022
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0013 31.6th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-39804 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Google Android. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 31.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In reinit of HeifDecoderImpl.cpp, there is a possible crash due to a missing null check. This could lead to remote persistent denial of service in the file picker with no additional execution privileges needed. User interaction is needed for exploitation.Product:…

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AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-215002587

CWE(s)
CWE-476

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

google
android
11.0, 12.0, 12.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References