{"id":"CVE-2023-21100","aliases":["A-242544249","ASB-A-242544249","AZL-26243","EUVD-2023-25268","GHSA-ghwj-gv6m-qv8r"],"status":"published","title":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow....","description":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-242544249","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":"2026-11-10","score":0.00095,"percentile":0.00618,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-04-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/external/angle","fixed_in":["13-next:2023-04-01","12:2023-04-01","12L:2023-04-01","13:2023-04-01"],"sources":["osv"]},{"ecosystem":"Azure Linux:2","package":"nodejs18","fixed_in":["18.20.2-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/external/angle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13-next:0"},{"fixed":"13-next:2023-04-01"}]}],"versions":["13-next"]},{"source":"osv","ecosystem":"Android","package":"platform/external/angle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2023-04-01"}]}],"versions":["12"]},{"source":"osv","ecosystem":"Android","package":"platform/external/angle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2023-04-01"}]}],"versions":["12L"]},{"source":"osv","ecosystem":"Android","package":"platform/external/angle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-04-01"}]}],"versions":["13"]},{"source":"osv","ecosystem":"Azure Linux:2","package":"nodejs18","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.20.2-2"}]}]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2023-04-01","tags":["x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21100","tags":["web"]},{"url":"https://github.com/advisories/GHSA-ghwj-gv6m-qv8r"},{"url":"https://android.googlesource.com/platform/external/angle/+/6a020bf505f4eb6d860eccf72ae6d6b4c4b720e9","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2023-21100","description":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-242544249","status":"published","published":"2023-04-19T00:00:00Z","modified":"2025-02-05T16:59:00.211Z","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-2023-25268","description":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-242544249","status":"published","published":"2023-04-19T00:00:00Z","modified":"2025-02-05T16:59:00Z","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":"2026-11-03T00:04:05.079502Z"}],"ghsa":[{"id":"GHSA-ghwj-gv6m-qv8r","title":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow....","description":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-242544249","status":"published","published":"2023-04-19T21:30:27Z","modified":"2024-04-04T03:36:13Z","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":"2026-11-02T14:56:16.439649Z"}],"nvd":[{"id":"CVE-2023-21100","description":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-242544249","status":"published","published":"2023-04-19T20:15:12.023Z","modified":"2026-06-17T05:31:49.88Z","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":"2026-11-02T14:07:56.683259Z"}],"osv":[{"id":"AZL-26243","title":"CVE-2023-21100 affecting package nodejs18 for versions less than 18.20.2-2","description":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-242544249","status":"published","published":"2023-04-19T20:15:12Z","modified":"2026-04-21T04:23:33.847238Z","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":"2026-11-02T15:28:03.093433Z"},{"id":"ASB-A-242544249","description":"In inflate of inflate.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2023-04-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-09T17:04:22.742827Z"}]}}