CVE-2023-21250

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-13 · updated 2026-06-17
Weakness: CWE-787

Description

In gatt_end_operation of gatt_utils.cc, 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 not needed for exploitation.

Affected products

Android: 11.0, 12.0, 12.1, 13.0

References

https://android.googlesource.com/platform/packages/modules/Bluetooth/+/ec573bc83f1ed6722f7cb29431dcb2db7f10bf28
https://source.android.com/security/bulletin/2023-07-01
https://android.googlesource.com/platform/packages/modules/Bluetooth/+/ec573bc83f1ed6722f7cb29431dcb2db7f10bf28
https://source.android.com/security/bulletin/2023-07-01

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