What is CVE-2023-21057?

CVE-2023-21057 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-03-24.

How severe is CVE-2023-21057?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Google Android

CVE-2023-21057

In ProfSixDecomTcpSACKoption of RohcPacketCommon, there is a possible out of bounds write due to a missing 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 kernelAndroid ID: A-244450646References: N/A

Vulnerability class: Buffer Overflow

EPSS: 0.005 (39.3th percentile) — read the EPSS interpretation.

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.

Affected products

Google Android
N/a Android — versions Android kernel

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21057?: CVE-2023-21057 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-03-24.
How severe is CVE-2023-21057?: Critical severity. CVSS v3 base score is 9.8 out of 10.