Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since November 10, 2025.
CVE-2025-21042
Samsung Mobile Devices Out-of-Bounds Write Vulnerability
Added to KEV November 10, 2025
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2025-21042
- CWE
- CWE-787
- Affected products
- Mobile Devices · Samsung Mobile Devices · Samsung
What happened
Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so. This vulnerability could allow remote attackers to execute arbitrary code.
What it means for your business
Samsung Mobile Devices is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-21042). Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so. This vulnerability could allow remote attackers to execute arbitrary code. CISA remediation due date: 2025-12-01. If you need help checking exposure, call (864) 335-9223.
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.
CISA due date: December 1, 2025
Sources
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