{"id":"CVE-2023-40128","details":"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.","aliases":["A-274231102","ASB-A-274231102"],"modified":"2026-03-15T22:47:10.249881Z","published":"2023-10-27T21:15:08.890Z","references":[{"type":"FIX","url":"https://android.googlesource.com/platform/external/libxml2/+/1ccf89b87a3969edd56956e2d447f896037c8be7"},{"type":"FIX","url":"https://source.android.com/security/bulletin/2023-10-01"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-40128.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"11.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.1"}]},{"events":[{"introduced":"0"},{"last_affected":"13.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}