{"id":"CVE-2023-21022","aliases":["A-236098131","EUVD-2023-25190","GHSA-xxw7-8mmh-37r4","PUB-A-236098131"],"status":"published","title":"In BufferBlock of Suballocation.cpp, there is a possible out of bounds write due to memory...","description":"In BufferBlock of Suballocation.cpp, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-236098131","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00095,"percentile":0.00649,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-03-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/external/angle","fixed_in":["13:2023-03-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/external/angle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-03-01"}]}],"versions":["13"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/pixel/2023-03-01","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21022"},{"url":"https://github.com/advisories/GHSA-xxw7-8mmh-37r4"},{"url":"https://source.android.com/security/bulletin/2023-03-01","tags":["advisory"]},{"url":"https://android.googlesource.com/platform/external/angle/+/773cf6a7f85d7d28588d9d7af417b8afb97d9f4f","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2023-21022","description":"In BufferBlock of Suballocation.cpp, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-236098131","status":"published","published":"2023-03-24T00:00:00Z","modified":"2025-02-25T15:44:35.612Z","cvss":[{"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":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:20.812737Z"}],"euvd":[{"id":"EUVD-2023-25190","description":"In BufferBlock of Suballocation.cpp, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-236098131","status":"published","published":"2023-03-24T00:00:00Z","modified":"2025-02-25T15:44:35Z","cvss":[{"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"}],"updated_at":"2026-11-02T20:53:24.103419Z"}],"ghsa":[{"id":"GHSA-xxw7-8mmh-37r4","title":"In BufferBlock of Suballocation.cpp, there is a possible out of bounds write due to memory...","description":"In BufferBlock of Suballocation.cpp, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-236098131","status":"published","published":"2023-03-24T21:30:51Z","modified":"2023-04-06T05:08:05Z","cvss":[{"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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:54:27.289188Z"}],"nvd":[{"id":"CVE-2023-21022","description":"In BufferBlock of Suballocation.cpp, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-236098131","status":"published","published":"2023-03-24T20:15:13.36Z","modified":"2026-06-17T05:31:30.867Z","cvss":[{"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"},{"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":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:50.908252Z"}],"osv":[{"id":"PUB-A-236098131","description":"In BufferBlock of Suballocation.cpp, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-03-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:17.438327Z"}]}}