CVE-2025-21043

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

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - mobile.security@samsung.com

Published

2025-09-12

Last modified

2026-10-08

Known exploited (CISA KEV)

since 2025-10-02, action due 2025-10-23: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

CWE-787

Affected products

• Android (Samsung)
• Samsung Mobile Devices (Samsung Mobile)

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21043