CVE-2025-21042

Published Sep 12, 2025
Last updated 2 months ago
libimagecodec
Samsung
Overview

AI description

Automated description summarized from trusted sources.
CVE-2025-21042 is an out-of-bounds write vulnerability found in Samsung's libimagecodec.quram.so library. This library is responsible for handling image parsing and decoding on Samsung Galaxy devices. The vulnerability is triggered when processing a specially crafted image file, leading to a write operation outside the allocated memory boundaries. Successful exploitation of this vulnerability allows remote attackers to execute arbitrary code on affected devices. This can be achieved through various channels such as email attachments, messaging apps, or web browsing, where the device processes an attacker-supplied image. A patch has been released in the SMR Apr-2025 Release 1 security update to address this vulnerability.
Description: Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.
Source: mobile.security@samsung.com
NVD status: Analyzed
Products: android
Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL
Known exploits

Data from CISA
Vulnerability name: Samsung Mobile Devices Out-of-Bounds Write Vulnerability
Exploit added on: Nov 10, 2025
Exploit action due: Dec 1, 2025
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.
Weaknesses

nvd@nist.gov: CWE-787
Hype score: Not currently trending
Configurations

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            "criteria": "cpe:2.3:o:samsung:android:14.0:smr-oct-2022-r1:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1B02110E-71FB-495F-86CA-F2A4E55C0E42"
          },
          {
            "criteria": "cpe:2.3:o:samsung:android:14.0:smr-oct-2023-r1:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "931CC6D7-A42D-4482-B901-B539DFF89C3E"
          },
          {
            "criteria": "cpe:2.3:o:samsung:android:14.0:smr-oct-2024-r1:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F7EB9C6E-CF84-4E4D-94D8-39233F8EC4DD"
          },
          {
            "criteria": "cpe:2.3:o:samsung:android:14.0:smr-sep-2022-r1:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "852A1BEC-438F-4D1E-B361-87BD57D50157"
          },
          {
            "criteria": "cpe:2.3:o:samsung:android:14.0:smr-sep-2023-r1:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "84ED2366-D4BA-4094-94AC-AD6E7AEBB6FF"
          },
          {
            "criteria": "cpe:2.3:o:samsung:android:14.0:smr-sep-2024-r1:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "ABFE99DC-4495-4D4F-80D4-C29A1D22A9C5"
          },
          {
            "criteria": "cpe:2.3:o:samsung:android:15.0:-:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "95DE4E96-2F23-47E5-9DFC-44EC409F37E8"
          },
          {
            "criteria": "cpe:2.3:o:samsung:android:15.0:smr-mar-2025-r1:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "FC6E2318-BD4E-4540-82C3-0D461C691119"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]
References

Sources include official advisories and independent security research.