Out-of-bounds Read in Google Android
CVE-2021-0556
In getBlockSum of fastcodemb.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-172716941
Vulnerability class: Buffer Overflow
EPSS: 0.001 (2.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Google Android — versions 11.0
- N/a Android — versions Android-11
Weakness classification (CWE)
References
- security@android.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-0556?
- CVE-2021-0556 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2021-06-22.
- How severe is CVE-2021-0556?
- Medium severity. CVSS v3 base score is 5.5 out of 10.