SB2025082021 - Multiple vulnerabilities in Google ChromeOS



SB2025082021 - Multiple vulnerabilities in Google ChromeOS

Published: August 20, 2025

Security Bulletin ID SB2025082021
CSH Severity
High
Patch available
YES
Number of vulnerabilities 11
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 36% Medium 18% Low 45%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 11 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-0932)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the Arm Mali GPU Userspace Driver. A local application can execute arbitrary code with elevated privileges. 


2) Use-after-free (CVE-ID: CVE-2025-8578)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within Cast in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.


3) Improperly implemented security check for standard (CVE-ID: CVE-2025-8581)

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Extensions in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


4) Use-after-free (CVE-ID: CVE-2025-8576)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within Extensions in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.


5) Improperly implemented security check for standard (CVE-ID: CVE-2025-8580)

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Filesystems in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


6) Improperly implemented security check for standard (CVE-ID: CVE-2025-8583)

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Permissions in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


7) Input validation error (CVE-ID: CVE-2025-8582)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to crash the browser.

The vulnerability exists due to a improper input validation in DOM in Google Chrome. A remote attacker can trick the victim to perform certain actions in browser and crash it.


8) Out-of-bounds write (CVE-ID: CVE-2025-8901)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in ANGLE. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.


9) Improperly implemented security check for standard (CVE-ID: CVE-2025-8881)

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in File Picker in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


10) Race condition (CVE-ID: CVE-2025-8880)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition in V8 in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the target system.


11) Heap-based buffer overflow (CVE-ID: CVE-2025-8879)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in libaom. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.