{"id":"CVE-2021-0488","aliases":["EUVD-2021-3107","GHSA-xwpj-2694-4phc"],"status":"published","title":"In pb_write of pb_encode.c, there is a possible out of bounds write due to a missing bounds check...","description":"In pb_write of pb_encode.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-178754781","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00137,"percentile":0.03146,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-04-15T12:53:37Z","modified":"2026-06-17T03:30:11Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2021-04-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-0488"},{"url":"https://github.com/advisories/GHSA-xwpj-2694-4phc"}],"sources":{"cve":[{"id":"CVE-2021-0488","description":"In pb_write of pb_encode.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-178754781","status":"published","published":"2021-04-15T12:53:37Z","modified":"2024-08-03T15:40:01.274Z","updated_at":"2026-11-02T14:33:10.555814Z"}],"euvd":[{"id":"EUVD-2021-3107","description":"In pb_write of pb_encode.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-178754781","status":"published","published":"2021-04-15T12:53:37Z","modified":"2024-08-03T15:40:01Z","updated_at":"2026-11-03T03:25:16.987587Z"}],"ghsa":[{"id":"GHSA-xwpj-2694-4phc","title":"In pb_write of pb_encode.c, there is a possible out of bounds write due to a missing bounds check...","description":"In pb_write of pb_encode.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-178754781","status":"published","published":"2022-05-24T17:47:40Z","modified":"2023-01-29T05:07:17Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:09.625645Z"}],"nvd":[{"id":"CVE-2021-0488","description":"In pb_write of pb_encode.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-178754781","status":"published","published":"2021-04-15T13:15:11.653Z","modified":"2026-06-17T03:30:11.707Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:52.03307Z"}]}}