CVE-2025-21042highunder attackCWE-787

CVE-2025-21042: high-severity vulnerability in Samsung Mobile Devices

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83Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA and has a public proof of concept.

ssvc Actcvss 8.8epss 36%
from disclosure to weapon57 days
Published on NVDSep 12
1st PoC+57d
CISA KEV+59d
Action required by CISAfederal deadline: 2025-12-01

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

In short

A flaw in libimagecodec.quram.so allows attackers to write data beyond memory boundaries, potentially giving them the ability to run malicious code on affected devices. This affects phones with Samsung's April 2025 security update or earlier.

Technical detail

Out-of-bounds write vulnerability in libimagecodec.quram.so enables remote code execution via crafted image files. The attack vector is remote (malicious image input), with no authentication required. Impact includes arbitrary code execution with process privileges prior to patching in SMR Apr-2025 Release 1.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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