Integer overflow in Google Android
CVE-2021-0968
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
Vulnerability class: Integer Overflow
EPSS: 0.007 (47.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Google Android — versions 9.0, 10.0, 11.0
- N/a Android — versions Android-10 Android-11 Android-12 Android-9
Weakness classification (CWE)
References
- security@android.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-0968?
- CVE-2021-0968 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2021-12-15.
- How severe is CVE-2021-0968?
- High severity. CVSS v3 base score is 8.8 out of 10.