Out-of-bounds Read in Google Android

CVE-2022-20473

In toLanguageTag of LocaleListCache.cpp, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-239267173

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.089 (95.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-20473: held from 0.089 to 0.089.

EPSS over last 30 days · oldest: 0.089 · newest: 0.089 · change: 0.000

Affected products

  • Google Android — versions 10.0, 11.0, 12.0
  • Android — versions Android-10 Android-11 Android-12 Android-12L Android-13

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-20473?
CVE-2022-20473 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2022-12-13.
How severe is CVE-2022-20473?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-20473 known to be exploited?
9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.