CVE-2018-9491

Name: CVE-2018-9491
Creator: NVD / NIST
Published: 2018-10-02T19:29:04.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.51%

Last modified Jun 17, 2026

CVE-2018-9491 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.51% chance of exploitation in the next 30 days.

Description

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

Metrics

EPSS Probability

1.51%

71.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	7.0
Google	Android	7.1.1
Google	Android	7.1.2
Google	Android	8.0
Google	Android	8.1
Google	Android	9.0

References

http://www.securityfocus.com/bid/105484Third Party Advisory, VDB Entry
https://android.googlesource.com/platform/frameworks/av/+/2b4667baa5a2badbdfec1794156ee17d4afef37cPatch, Third Party Advisory
https://source.android.com/security/bulletin/2018-10-01%2C
http://www.securityfocus.com/bid/105484Third Party Advisory, VDB Entry
https://android.googlesource.com/platform/frameworks/av/+/2b4667baa5a2badbdfec1794156ee17d4afef37cPatch, Third Party Advisory
https://source.android.com/security/bulletin/2018-10-01%2C

Timeline

Published: Oct 2, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-9491?

How severe is CVE-2018-9491?

Severity scoring for CVE-2018-9491 is pending analysis. The EPSS model estimates a 1.51% probability of exploitation in the next 30 days.

How do I fix CVE-2018-9491?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-9491?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST