CVE-2023-21195 Information disclosure in Android

What is CVE-2023-21195?

CVE-2023-21195 is a medium-severity vulnerability in Google Android, published on 28 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In btm_ble_periodic_adv_sync_tx_rcvd of btm_ble_gap.cc, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure over Bluetooth, if the firmware were compromised with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-233879420

Weakness: CWE-125

Which versions are affected by CVE-2023-21195?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21195?

Apply the vendor's patch.

Is CVE-2023-21195 being exploited?

There is no known exploitation of CVE-2023-21195 in the wild and no public exploit code.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as A-233879420, GHSA-p65f-4f9h-5m46, PUB-A-233879420.