CVE-2025-21043
Samsung Mobile Devices
Samsung Mobile Devices Out-of-Bounds Write Vulnerability
What it is
Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
- security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09
- nvd.nist.gov/vuln/detail/CVE-2025-21043
Description and required action as published by CISA. Full record at NVD.
Other Samsung entries on the list
- MagicINFO 9 Server Samsung MagicINFO 9 Server Path Traversal Vulnerability CVE-2024-7399 · Apr 24, 2026
- Mobile Devices Samsung Mobile Devices Out-of-Bounds Write Vulnerability CVE-2025-21042 · Nov 10, 2025
- MagicINFO 9 Server Samsung MagicINFO 9 Server Path Traversal Vulnerability CVE-2025-4632 · May 22, 2025
- Mobile Devices Samsung Mobile Devices Use-After-Free Vulnerability CVE-2022-22265 · Sep 18, 2023
- Mobile Devices Samsung Mobile Devices Improper Input Validation Vulnerability CVE-2021-25489 · Jun 29, 2023
- Mobile Devices Samsung Mobile Devices Out-of-Bounds Read Vulnerability CVE-2021-25487 · Jun 29, 2023