{"id":"CVE-2025-21042","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-21042","generatedAt":"2026-10-31T06:58:08.139Z","title":"Samsung Mobile Devices Out-of-Bounds Write Vulnerability","description":"Out-of-bounds write in libimagecodec.quram.so prior to SMR Apr-2025 Release 1 allows remote attackers to execute arbitrary code.","published":"2025-09-12T08:15:45.000Z","lastModified":"2026-10-08T10:35:13.000Z","status":"Analyzed","sourceIdentifier":"mobile.security@samsung.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-787"],"affected":["samsung/android"],"epss":{"score":0.35577,"percentile":0.98454,"date":"2026-10-30","history":[{"date":"2026-10-21","score":0.34549,"percentile":0.98419},{"date":"2026-10-23","score":0.35577,"percentile":0.98458}]},"kev":{"listed":true,"dateAdded":"2025-11-10","dueDate":"2025-12-01","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\nhttps://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=04 ; https://nvd.nist.gov/vuln/detail/CVE-2025-21042"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 1 December 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=04","tags":["Vendor Advisory"],"source":"mobile.security@samsung.com"},{"url":"https://unit42.paloaltonetworks.com/landfall-is-new-commercial-grade-android-spyware/","tags":["Technical Description","Third Party Advisory"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21042","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-21042","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}