What is CVE-2021-0871?

CVE-2021-0871 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2022-09-13.

How severe is CVE-2021-0871?

High severity. CVSS v3 base score is 7.8 out of 10.

Integer overflow in Google Android

CVE-2021-0871

In PVRSRVBridgePMRPDumpSymbolicAddr of the PowerVR kernel driver, a missing size check means there is a possible integer overflow that could allow out-of-bounds heap access. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android SoCAndroid ID: A-238921253

Vulnerability class: Integer Overflow

Published 2022-09-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.0th percentile), scored 2026-09-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Google Android
Android — versions Android SoC

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

source.android.com/security/bulletin/2022-09-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-0871?: CVE-2021-0871 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2022-09-13.
How severe is CVE-2021-0871?: High severity. CVSS v3 base score is 7.8 out of 10.