CVE-2021-39803 — MEDIUM (6.5)

Vulnerability Description

In ~Impl of C2AllocatorIon.cpp, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-193790350

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Android	10.0

Related Weaknesses (CWE)

CWE-416

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-2021-39803?

CVE-2021-39803 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In ~Impl of C2AllocatorIon.cpp, there is a possible out of bounds read due to a use after free. This could lead to remote information disclosure with no additional execution privileges needed. User in...

How severe is CVE-2021-39803?

CVE-2021-39803 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-2021-39803?

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