CVE-2021-39804 — MEDIUM (6.5)

Vulnerability Description

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

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-476

References

https://source.android.com/security/bulletin/2022-04-01PatchVendor Advisory
https://source.android.com/security/bulletin/2022-04-01PatchVendor Advisory

FAQ

What is CVE-2021-39804?

CVE-2021-39804 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 privileg...

How severe is CVE-2021-39804?

CVE-2021-39804 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39804?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.