What is CVE-2023-42729?

CVE-2023-42729 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 4.4/10. Published 2023-12-04.

How severe is CVE-2023-42729?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Buffer overflow in Google Android

CVE-2023-42729

In ril service, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service with System execution privileges needed

Vulnerability class: Buffer Overflow

Published 2023-12-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.unisoc.com/en_us/secy/announcementDetail/https://www.unisoc.com/en_us/secy/… (Broken Link)

Frequently asked questions

What is CVE-2023-42729?: CVE-2023-42729 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 4.4/10. Published 2023-12-04.
How severe is CVE-2023-42729?: Medium severity. CVSS v3 base score is 4.4 out of 10.