CVEvulnerability

CVE-2025-21043

9.8 CRITICAL Known exploited Published 2025-09-12 Modified 2026-10-08 Official page ↗

CISA Known Exploited Vulnerability

Samsung Mobile Devices Out-of-Bounds Write Vulnerability — Samsung Mobile Devices

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

Added to KEV: 2025-10-02
Remediation due: 2025-10-23
Ransomware use: Unknown
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

Status: Analyzed
Published: 2025-09-12
Last modified: 2026-10-08
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected]): 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-787

Description

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

Affected configurations

• samsung android 13.0 • samsung android 14.0 • samsung android 15.0 • samsung android 16.0

Weakness · CWE (1)

CWE-787 Out-of-bounds Write weakness

References