Vulnerability in Samsung Mobile Devices
CVE-2025-21042
Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.
EPSS: 0.044 (89.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Samsung Mobile Devices — versions SMR Apr-2025 Release in Android 13, 14, 15
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-21042?
- CVE-2025-21042 is a high-severity vulnerability in Samsung Mobile Devices, classified under CWE-787 OUT-OF-BOUNDS WRITE. CVSS score: 8.8/10. Published 2025-09-12.
- How severe is CVE-2025-21042?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-21042 known to be exploited?
- Yes. CVE-2025-21042 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-11-10), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.