CVE-2018-9509

In smp_proc_master_id of smp_act.cc, there is a possible out of bounds read due to a missing...

6.5 Medium

In smp_proc_master_id of smp_act.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure over Bluetooth with no additional execution privileges needed. User interaction is not 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-111937027

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.73%Unchanged since Apr 14, 2021

What each source reports

NVD Score used 6.5

Record: CVE-2018-9509
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 6.1 MediumAV:A/AC:L/Au:N/C:C/I:N/A:N
Weakness: CWE-125
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-9509
Updated: 2026-11-02

EUVDEUVD-2018-21103 No score

Record: EUVD-2018-21103
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hwgg-77fh-5w4x 6.5

In smp_proc_master_id of smp_act.cc, there is a possible out of bounds read due to a missing...

Record: GHSA-hwgg-77fh-5w4x
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-125
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-9509 is a medium vulnerability (CVSS 6.5) in Google Android, published October 2, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.