How severe is CVE-2018-9509?

CVE-2018-9509 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-9509 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9509?

CVE-2018-9509 primarily affects Google Android. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-9509?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-9509 published?

CVE-2018-9509 was published on 2018-10-02 and last updated on 2026-06-17.

CVE-2018-9509

CVE-2018-9509 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.1
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Google Android
Published: 2018-10-02
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2018-9509?: 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
How severe is CVE-2018-9509?: CVE-2018-9509 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-9509 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9509?: CVE-2018-9509 primarily affects Google Android. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-9509?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-9509 published?: CVE-2018-9509 was published on 2018-10-02 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*
cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*
cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*

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