What is CVE-2018-9491?

CVE-2018-9491 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2018-10-02.

How severe is CVE-2018-9491?

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

Is CVE-2018-9491 known to be exploited?

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

Buffer overflow in Google Android

CVE-2018-9491

In AMediaCodecCryptoInfo_new of NdkMediaCodec.cpp, there is a possible out-of-bounds write due to an integer overflow. This could lead to remote code execution in external apps with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9.0 Android ID: A-111603051

Vulnerability class: Integer Overflow

EPSS: 0.015 (71.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 7.0, 7.1.1, 7.1.2
Google Inc. Android — versions Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9.0

Weakness classification (CWE)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

security@android.com (x_refsource_CONFIRM)
security@android.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
security@android.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-9491?: CVE-2018-9491 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2018-10-02.
How severe is CVE-2018-9491?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2018-9491 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.