CVE-2023-21096

In OnWakelockReleased of attribution_processor.cc, there is a use after free that could lead to...

9.8 CriticalFix available

In OnWakelockReleased of attribution_processor.cc, there is a use after free that could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-254774758

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.47%Up 0.4 points since Apr 20, 2023

What each source reports

NVD Score used 9.8

Record: CVE-2023-21096
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

CVE List 9.8

Record: CVE-2023-21096
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

EUVDEUVD-2023-25264 9.8

Record: EUVD-2023-25264
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-q697-jx8q-hvf2 9.8

In OnWakelockReleased of attribution_processor.cc, there is a use after free that could lead to...

Record: GHSA-q697-jx8q-hvf2
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

OSVASB-A-254774758 No score

Record: ASB-A-254774758
Updated: 2026-11-09

Affected products

google android

Affected packages

Affected packages
Package	Affected	Fixed
`platform/packages/modules/Bluetooth` Android	13-next:0 up to 13-next:2023-04-01, plus listed versions 13-next	13-next:2023-04-01
`platform/packages/modules/Bluetooth` Android	13:0 up to 13:2023-04-01, plus listed versions 13	13:2023-04-01

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-21096 is a critical vulnerability (CVSS 9.8) in Google Android, published April 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. Fixed in platform/packages/modules/Bluetooth 13-next:2023-04-01.