Samsung libimagecodec.quram.so OOB write CVE-2025-21042
CVE-2025-21042 Published on September 12, 2025
Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.
Known Exploited Vulnerability
This Samsung Mobile Devices Out-of-Bounds Write Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so. This vulnerability could allow remote attackers to execute arbitrary code.
The following remediation steps are recommended / required by December 1, 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2025-21042 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Products Associated with CVE-2025-21042
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Affected Versions
Samsung Mobile Devices Version SMR Apr-2025 Release in Android 13, 14, 15 is unaffected by CVE-2025-21042Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.