{"id":"CVE-2023-40128","aliases":["A-274231102","ASB-A-274231102","EUVD-2023-44735","GHSA-pjgc-q78w-v6ph"],"status":"published","title":"In several functions of xmlregexp.c, there is a possible out of bounds write due to a heap buffer...","description":"In several functions of xmlregexp.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.","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":0.00109,"percentile":0.01208,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2023-10-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","fixes":[{"ecosystem":"Android","package":"platform/external/libxml2","fixed_in":["11:2023-10-01","12:2023-10-01","12L:2023-10-01","13:2023-10-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/external/libxml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2023-10-01"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/external/libxml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2023-10-01"}]}],"versions":["12"]},{"source":"osv","ecosystem":"Android","package":"platform/external/libxml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2023-10-01"}]}],"versions":["12L"]},{"source":"osv","ecosystem":"Android","package":"platform/external/libxml2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13:0"},{"fixed":"13:2023-10-01"}]}],"versions":["13"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://android.googlesource.com/platform/external/libxml2/+/1ccf89b87a3969edd56956e2d447f896037c8be7","tags":["x_transferred","Patch","fix"]},{"url":"https://source.android.com/security/bulletin/2023-10-01","tags":["x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40128"},{"url":"https://github.com/advisories/GHSA-pjgc-q78w-v6ph"}],"sources":{"cve":[{"id":"CVE-2023-40128","description":"In several functions of xmlregexp.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":"2023-10-27T20:22:57.517Z","modified":"2024-09-09T14:44:35.111Z","updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-44735","description":"In several functions of xmlregexp.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":"2023-10-27T20:22:57Z","modified":"2024-09-09T14:44:35Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-03T00:56:00.719005Z"}],"ghsa":[{"id":"GHSA-pjgc-q78w-v6ph","title":"In several functions of xmlregexp.c, there is a possible out of bounds write due to a heap buffer...","description":"In several functions of xmlregexp.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":"2023-10-27T21:30:23Z","modified":"2024-04-04T08:57:42Z","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":"2026-11-02T14:57:03.138275Z"}],"nvd":[{"id":"CVE-2023-40128","description":"In several functions of xmlregexp.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":"2023-10-27T21:15:08.89Z","modified":"2026-06-17T06:16:18.403Z","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"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:40.004465Z"}],"osv":[{"id":"ASB-A-274231102","description":"In several functions of xmlregexp.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":"2023-10-01T00:00:00Z","modified":"2026-11-05T16:32:28.703711716Z","updated_at":"2026-11-05T17:55:15.258551Z"}]}}