In build_read_multi_rsp of gatt_sr.cc, there is a possible out of bounds write due to an integer overflow.

published 2023-09-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-39673

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

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

Patch / fix

links 1

android.googlesource.com/platform/packages/modules/Bluetooth/+/8770c07c102c7fdc7462… commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-09-26)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Google Android

Classification

Weakness

CWE-190 Integer Overflow or Wraparound

References

android.googlesource.com /platform/packages/modules/Bluetooth/+/8770c07c102c7fdc74626dc717acc8f6dd1c92cc
issue-tracking
source.android.com /security/bulletin/2023-09-01
vendor-advisory

Sources

CVE List CVE-2023-35673
NVD CVE-2023-35673

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Summary