CVE-2025-21043 — Samsung Mobile Devices Out-of-Bounds Write Vulnerability
CVE-2025-21043: Samsung Mobile Devices Out-of-Bounds Write Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Samsung |
| Product | Mobile Devices |
| Date added | 2025-10-02 |
| Due date | 2025-10-23 |
| Ransomware campaign use | Unknown |
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 (CISA)
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-21043
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog