What is CVE-2022-20603?

CVE-2022-20603 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.2/10. Published 2022-12-16.

How severe is CVE-2022-20603?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Google Android

CVE-2022-20603

In SetDecompContextDb of RohcDeCompContextOfRbId.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-219265339References: N/A

Vulnerability class: Buffer Overflow

Published 2022-12-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.4th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000

Affected products

Google Android
Android — versions Android kernel

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

source.android.com/security/bulletin/pixel/2022-12-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-20603?: CVE-2022-20603 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 7.2/10. Published 2022-12-16.
How severe is CVE-2022-20603?: High severity. CVSS v3 base score is 7.2 out of 10.