{"id":"CVE-2025-21006","aliases":["EUVD-2025-20439","GHSA-4r78-3266-3mj8"],"status":"published","title":"Out-of-bounds write in handling of macro blocks for MPEG4 codec in libsavsvc.so prior to Android...","description":"Out-of-bounds write in handling of macro blocks for MPEG4 codec in libsavsvc.so prior to Android 15 allows local attackers to write out-of-bounds memory.","severity":{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00142,"percentile":0.03587,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2025-07-08T10:34:36Z","modified":"2026-06-17T08:42:25Z","products":[{"vendor":"samsung","product":"android"},{"vendor":"samsung mobile","product":"libsavsvc.so"}],"references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2025\u0026month=07","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21006"},{"url":"https://github.com/advisories/GHSA-4r78-3266-3mj8"}],"sources":{"cve":[{"id":"CVE-2025-21006","description":"Out-of-bounds write in handling of macro blocks for MPEG4 codec in libsavsvc.so prior to Android 15 allows local attackers to write out-of-bounds memory.","status":"published","published":"2025-07-08T10:34:36.328Z","modified":"2025-07-08T14:27:58.853Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:32:32.702673Z"}],"euvd":[{"id":"EUVD-2025-20439","description":"Out-of-bounds write in handling of macro blocks for MPEG4 codec in libsavsvc.so prior to Android 15 allows local attackers to write out-of-bounds memory.","status":"published","published":"2025-07-08T10:34:36Z","modified":"2025-07-08T14:27:58Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:12.59227Z"}],"ghsa":[{"id":"GHSA-4r78-3266-3mj8","title":"Out-of-bounds write in handling of macro blocks for MPEG4 codec in libsavsvc.so prior to Android...","description":"Out-of-bounds write in handling of macro blocks for MPEG4 codec in libsavsvc.so prior to Android 15 allows local attackers to write out-of-bounds memory.","status":"published","published":"2025-07-08T12:31:02Z","modified":"2025-07-15T15:31:32Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:03:01.086006Z"}],"nvd":[{"id":"CVE-2025-21006","description":"Out-of-bounds write in handling of macro blocks for MPEG4 codec in libsavsvc.so prior to Android 15 allows local attackers to write out-of-bounds memory.","status":"published","published":"2025-07-08T11:15:26.177Z","modified":"2026-06-17T08:42:25.833Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:11:16.997062Z"}]}}