---
id: CVE-2025-21072
title: >-
  Out-of-bounds write in decoding metadata in fingerprint trustlet prior to SMR
  Dec-2025 Release 1 allows local privileged attackers to write out-of-bounds
  memory.
summary: >-
  Out-of-bounds write in decoding metadata in fingerprint trustlet prior to SMR
  Dec-2025 Release 1 allows local privileged attackers to write out-of-bounds
  memory.
severity: medium
cvss: 5.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-787
vendor: samsung
product: android
affected:
  - android = 13.0
  - android = 14.0
  - android = 15.0
  - android = 16.0
published: '2025-12-02'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T00:10:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-21072'
references:
  - url: 'https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=12'
    label: mobile.security@samsung.com
tags:
  - nvd
epss: 0.00106
epssPercentile: 0.01002
ingestedAt: '2026-09-26T00:22:39.993Z'
---

## Overview

Out-of-bounds write in decoding metadata in fingerprint trustlet prior to SMR Dec-2025 Release 1 allows local privileged attackers to write out-of-bounds memory.

## Affected

- `android = 13.0`
- `android = 14.0`
- `android = 15.0`
- `android = 16.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.