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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.007 (49.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-0968: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

  • Google Android — versions 9.0, 10.0, 11.0
  • Android — versions Android-10 Android-11 Android-12 Android-9

Weakness classification (CWE)

References

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.