Google Android 15/16 acl_arbiter.cc acl_arbiter out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Google Android 15/16. The impacted element is the function acl_arbiter of the file acl_arbiter.cc. Performing a manipulation results in out-of-bounds. This vulnerability is cataloged as CVE-2025-48539. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic has been found in Google Android 15/16. This affects the function acl_arbiter of the file acl_arbiter.cc. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. The summary by CVE is:

In SendPacketToPeer of acl_arbiter.cc, there is a possible out of bounds read due to a use after free. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

It is possible to read the advisory at android.googlesource.com. This vulnerability is uniquely identified as CVE-2025-48539 since 05/22/2025. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/07/2025).

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-26814) and CERT Bund (WID-SEC-2025-1944). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Android

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/22/2025 CVE reserved
09/04/2025 +105 days Advisory disclosed
09/04/2025 +0 days VulDB entry created
09/07/2025 +3 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: android.googlesource.com
Status: Confirmed

CVE: CVE-2025-48539 (🔒)
GCVE (CVE): GCVE-0-2025-48539
GCVE (VulDB): GCVE-100-322659
EUVD: 🔒
CERT Bund: WID-SEC-2025-1944 - Android Patchday September 2025: Multiple Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 09/04/2025 21:56
Updated: 09/07/2025 13:19
Changes: 09/04/2025 21:56 (57), 09/06/2025 07:10 (1), 09/07/2025 13:19 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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