CVE-2025-21043

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2025-21043

Confirmed

Yes

2025-10-02 00:00 UTC

Timestamps

2025-10-02

2025-10-02

Scope

KEV entry: Samsung Mobile Devices Out-of-Bounds Write Vulnerability | Affected: Samsung / Mobile Devices | Description: 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. | Due date: 2025-10-23 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=09 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21043

References
  • {'id': 'CVE-2025-21043', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-21043'}

f551da06-b6f9-48c7-bd22-ad94454d4f28

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-787"
  ],
  "date_added": "2025-10-02",
  "due_date": "2025-10-23",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Mobile Devices",
  "vendorProject": "Samsung",
  "vulnerabilityName": "Samsung Mobile Devices Out-of-Bounds Write Vulnerability"
}
 -
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