CVE-2018-9550

Name: CVE-2018-9550
Creator: NVD / NIST
Published: 2018-12-06T14:29:01.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.25%

Last modified Jun 17, 2026

CVE-2018-9550 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In CAacDecoder_Init of aacdecoder.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. EPSS estimates a 1.25% chance of exploitation in the next 30 days.

Description

In CAacDecoder_Init of aacdecoder.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-112660981.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.25%

65.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Google	Android	9.0

References

http://www.securityfocus.com/bid/106137Third Party Advisory, VDB Entry
https://source.android.com/security/bulletin/2018-12-01Patch, Vendor Advisory
http://www.securityfocus.com/bid/106137Third Party Advisory, VDB Entry
https://source.android.com/security/bulletin/2018-12-01Patch, Vendor Advisory

Timeline

Published: Dec 6, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-9550?

How severe is CVE-2018-9550?

CVE-2018-9550 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.25% probability of exploitation in the next 30 days.

How do I fix CVE-2018-9550?

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-2018-9550?

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

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Source: NVD / NIST