What is CVE-2023-40091?

CVE-2023-40091 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-12-04.

How severe is CVE-2023-40091?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Google Android

CVE-2023-40091

In onTransact of IncidentService.cpp, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 12, 11.0, 14.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (Patch, Mailing List)
security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-40091?: CVE-2023-40091 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-12-04.
How severe is CVE-2023-40091?: High severity. CVSS v3 base score is 7.8 out of 10.