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CVE-2025-21042

CriticalPublished

Samsung Mobile Devices Out-of-Bounds Write Vulnerability

Published: Sep 12, 2025
Updated: Feb 26, 2026
Assigning CNA: SamsungMobile
Evidence observed: Nov 10, 2025

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

33.2%

Moderate · next 30 days

Percentile: 98.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.

Sources

Samsung-CVE-2025-21042Research
CVE-2025-21042

Responsible use

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