Buffer overflow in Google Android
CVE-2021-39665
In checkSpsUpdated of AAVCAssembler.cpp, there is a possible out of bounds read 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-12Android ID: A-204077881
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (51.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Google Android — versions 12.0
- Android — versions Android-12
Weakness classification (CWE)
References
- source.android.com/security/bulletin/2022-02-01 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39665?
- CVE-2021-39665 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2022-02-11.
- How severe is CVE-2021-39665?
- Medium severity. CVSS v3 base score is 6.5 out of 10.