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CVE-2025-21042

KEV

Samsung Mobile Devices Out-of-Bounds Write Vulnerability

8.8

High

Published:12 Sep 2025

Last updated:17 Jun 2026

Source:mobile.security@samsung.com

Analyzed

Weakness (CWE)

CWE-787Out-of-bounds Write

CVSS Vector

v3.1

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

View on MITRE Find PoC on GitHub

Known Exploited Vulnerability — CISA KEV

This vulnerability is in CISA's Known Exploited Vulnerabilities catalog, meaning it is actively exploited in the wild.

Added to catalog:: 10 Nov 2025
Remediation due:: 1 Dec 2025

View CISA KEV catalog

Description

Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.

References

mobile.security@samsung.com

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=04

134c704f-9b21-4f2e-91b3-4a467353bcc0

https://unit42.paloaltonetworks.com/landfall-is-new-commercial-grade-android-spyware/

134c704f-9b21-4f2e-91b3-4a467353bcc0

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21042