{"id":"CVE-2021-39993","aliases":["EUVD-2021-26349","GHSA-4rrx-j7vf-86fq"],"status":"published","title":"There is an Integer overflow vulnerability with ACPU in smartphones. Successful exploitation of...","description":"There is an Integer overflow vulnerability with ACPU in smartphones. Successful exploitation of this vulnerability may cause out-of-bounds access.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00782,"percentile":0.56409,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2022-01-07T22:39:48Z","modified":"2026-06-17T04:04:31Z","products":[{"vendor":"huawei","product":"emui"},{"vendor":"huawei","product":"magic_ui"}],"references":[{"url":"https://consumer.huawei.com/en/support/bulletin/2021/12/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39993"},{"url":"https://github.com/advisories/GHSA-4rrx-j7vf-86fq"}],"sources":{"cve":[{"id":"CVE-2021-39993","description":"There is an Integer overflow vulnerability with ACPU in smartphones. Successful exploitation of this vulnerability may cause out-of-bounds access.","status":"published","published":"2022-01-07T22:39:48Z","modified":"2024-08-04T02:20:34.134Z","updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-26349","description":"There is an Integer overflow vulnerability with ACPU in smartphones. Successful exploitation of this vulnerability may cause out-of-bounds access.","status":"published","published":"2022-01-07T22:39:48Z","modified":"2024-08-04T02:20:34Z","updated_at":"2026-11-03T03:24:21.810275Z"}],"ghsa":[{"id":"GHSA-4rrx-j7vf-86fq","title":"There is an Integer overflow vulnerability with ACPU in smartphones. Successful exploitation of...","description":"There is an Integer overflow vulnerability with ACPU in smartphones. Successful exploitation of this vulnerability may cause out-of-bounds access.","status":"published","published":"2022-01-11T00:01:31Z","modified":"2023-02-03T05:04:32Z","cwes":["CWE-190"],"updated_at":"2026-11-02T14:53:34.195392Z"}],"nvd":[{"id":"CVE-2021-39993","description":"There is an Integer overflow vulnerability with ACPU in smartphones. Successful exploitation of this vulnerability may cause out-of-bounds access.","status":"published","published":"2022-01-10T14:10:20.773Z","modified":"2026-06-17T04:04:31.983Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:07:03.418194Z"}]}}