Improper Input Validation in Samsung Media Library Software
CVE-2026-21125

8.6HIGH

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
12 October 2026

What is CVE-2026-21125?

A flaw in the Samsung media library software's input validation allows local attackers to exploit the parsing feature, potentially leading to arbitrary code execution. This vulnerability affects versions of libsimba.heifdec.media.samsung.so released before the SMR October 2026 Release 1, creating a significant security risk. Users are advised to update to the latest version to mitigate this issue.

Affected Version(s)

Samsung Mobile Devices SMR Oct-2026 Release in Android 14, 15, 16, 17

References

https://security.samsungmobile.com/securityUpdate.smsb?ye...

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.