CVE-2023-40128

high

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.

References

https://source.android.com/security/bulletin/2023-10-01

https://android.googlesource.com/platform/external/libxml2/+/1ccf89b87a3969edd56956e2d447f896037c8be7

Details

Source: Mitre, NVD

Published: 2023-10-27

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

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

EPSS: 0.00014