CVE-2025-21043—Samsung Mobile Devices Out-of-Bounds Write Vulnerability

Vulnerability Name

Samsung Mobile Devices Out-of-Bounds Write Vulnerability

Description

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

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

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.

Additional Notes

• https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09
• https://nvd.nist.gov/vuln/detail/CVE-2025-21043

Related News Articles

• CISA: Patch Samsung flaw exploited to deliver spyware (CVE-2025-21042)November 11, 2025
• CISA orders feds to patch Samsung zero-day used in spyware attacksNovember 10, 2025
• Samsung Mobile Flaw Exploited as Zero-Day to Deploy LANDFALL Android SpywareNovember 7, 2025
• New LandFall spyware exploited Samsung zero-day via WhatsApp messagesNovember 7, 2025
• CISA Flags Meteobridge CVE-2025-4008 Flaw as Actively Exploited in the WildOctober 3, 2025

Related Weaknesses

• CWE-787