CVE-2021-0968
In osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an...
In osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197868577
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197868577
- Record
CVE-2021-0968- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE List No score
In osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197868577
- Record
CVE-2021-0968- Updated
- 2026-11-02
EUVDEUVD-2021-3587 No score
In osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197868577
- Record
EUVD-2021-3587- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-53f8-7jq7-5j37 No score
In osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an...
In osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197868577
- Record
GHSA-53f8-7jq7-5j37- Weakness
- CWE-190
- Updated
- 2026-11-02
OSVASB-A-197868577 No score
In osi_malloc and osi_calloc of allocator.cc, there is a possible out of bounds write due to an integer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-197868577- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/system/btAndroid |
9:0 up to 9:2021-12-01, plus listed versions 9 |
9:2021-12-01 |
platform/system/btAndroid |
10:0 up to 10:2021-12-01, plus listed versions 10 |
10:2021-12-01 |
platform/system/btAndroid |
11:0 up to 11:2021-12-01, plus listed versions 11 |
11:2021-12-01 |
platform/system/btAndroid |
12:0 up to 12:2021-12-01, plus listed versions 12 |
12:2021-12-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-0968 is a high vulnerability (CVSS 8.8) in Google Android, published December 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. Fixed in platform/system/bt 9:2021-12-01.