Findings

CVE-2025-21043

Samsung Mobile Devices Out-of-Bounds Write Vulnerability

Published Sep 12, 2025 · updated Oct 8, 2026 · Samsung Mobile Devices

Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 12, 2025 · Catalog

    Detected

    Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

  2. Oct 2, 2025 · CISA KEV

    Known exploited

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

  3. Oct 23, 2025 · CISA KEV

    Remediation due

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

  4. Oct 8, 2026 · Catalog

    Updated

    Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

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 Oct 23, 2025

Affected

  • cpe samsung/android13.0
  • vendor Samsung Mobile Devicesversion unspecified

Sources

  • CISA KEVCVE-2025-21043

    Samsung mobile devices contain an out-of-bounds write vulnerability in libimagecodec.quram.so which allows remote attackers to execute arbitrary code.

    cisa.gov
  • CVE.orgCVE-2025-21043

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2025-21043

    30-day exploitation probability 2.1%

    first.org
  • NIST NVDCVE-2025-21043

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

    nvd.nist.gov

References

CVE-2025-21043 · ZeroDay Findings