CVE-2023-40129

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-10-27 · updated 2026-06-17
Weakness: CWE-787

Description

In build_read_multi_rsp of gatt_sr.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: 12.0, 12.1, 13.0

References

https://android.googlesource.com/platform/packages/modules/Bluetooth/+/c0151aa3ba76c785b32c7f9d16c98febe53017b1
https://source.android.com/security/bulletin/2023-10-01
https://android.googlesource.com/platform/packages/modules/Bluetooth/+/c0151aa3ba76c785b32c7f9d16c98febe53017b1
https://source.android.com/security/bulletin/2023-10-01

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