---
id: CVE-2026-58731
title: >-
  In multiple functions of physmem_extmem_linux.c, there is a possible
  out-of-bounds read due to uninitialized data
summary: >-
  In multiple functions of physmem_extmem_linux.c, there is a possible
  out-of-bounds read due to uninitialized data. This could lead to local
  information disclosure with no additional execution privileges needed. User
  interaction is not ne…
severity: medium
cvss: 6.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-125
  - CWE-457
vendor: google
product: android
affected:
  - android
published: '2026-09-15'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T12:59:26.123'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-58731'
references:
  - url: 'https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01'
    label: dsap-vuln-management@google.com
tags:
  - nvd
  - cve.org
epss: 0.00076
epssPercentile: 0.00122
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T20:15:22.504544Z'
ingestedAt: '2026-09-15T19:42:58.793Z'
---

## Overview

In multiple functions of physmem_extmem_linux.c, there is a possible out-of-bounds read due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

## Affected

- `android`

## Remediation

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