CVE-2025-21043

Samsung Mobile Devices Out-of-Bounds Write Vulnerability

Samsung — Mobile Devices

Added to KEV catalog: 2 October 2025
Federal remediation due date: 23 October 2025
Weakness classification (CWE): CWE-787

CISA Description

Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21043

View on NVD View on MITRE CVE View full CISA catalog

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