In appendFrom of Parcel.cpp, 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.
https://source.android.com/security/bulletin/2025-09-01
https://android.googlesource.com/platform/frameworks/native/+/96f0dd71bc07051e4faae44abf7121a3f7b5b2aa
Source: Mitre, NVD
Published: 2025-09-04
Updated: 2025-09-08
Base Score: 6.8
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
Severity: Medium
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00009