CVE-2023-21380

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-30 · updated 2026-06-17
Weakness: CWE-787

Description

In Bluetooth, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: before 14.0 — fixed in 14.0

How to fix

Upgrade to a fixed version: Android 14.0. Check the vendor advisory for mitigations.

References

https://source.android.com/docs/security/bulletin/android-14
https://source.android.com/docs/security/bulletin/android-14

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