What is CVE-2018-9411?

CVE-2018-9411 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2024-11-19.

How severe is CVE-2018-9411?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2018-9411 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Google Android

CVE-2018-9411

In decrypt of ClearKeyCasPlugin.cpp there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote arbitrary code execution with no additional execution privileges needed. User interaction is needed for exploitation.

Vulnerability class: Buffer Overflow

Published 2024-11-19 · last modified 2026-06-17.

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: 0.006 (44.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Google Android — versions 8.0, 8.1, 9

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

source.android.com/security/bulletin/2018-07-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-9411?: CVE-2018-9411 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2024-11-19.
How severe is CVE-2018-9411?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-9411 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.