All vulnerabilities
CVE-2025-21043

Samsung Mobile Devices Out-of-Bounds Write Vulnerability

Samsung Mobile Devices
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 2 Oct 2025CISA KEV
Exploit odds (EPSS)2.22%Chance of exploitation activity in the next 30 days, higher than 82% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline23 Oct 2025Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 12 Sep 2025, 07:21 UTCPublishedCVE List
  2. 2 Oct 2025Added to CISA KEVCISA KEV

Description

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

Text from CVE List

Affected versions 1

  • Samsung Mobile Devicesunaffected: SMR Sep-2025 Release in Android 13, 14, 15, 16CVE List

References 3