What is CVE-2021-39667?

CVE-2021-39667 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2022-03-16.

How severe is CVE-2021-39667?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Google Android

CVE-2021-39667

In ih264d_parse_decode_slice of ih264d_parse_slice.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-205702093

Vulnerability class: Buffer Overflow

EPSS: 0.007 (49.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Google Android — versions 10.0, 11.0, 12.0
N/a Android — versions Android-10 Android-11 Android-12

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@android.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39667?: CVE-2021-39667 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2022-03-16.
How severe is CVE-2021-39667?: Medium severity. CVSS v3 base score is 6.5 out of 10.