CVE-2021-39665
In checkSpsUpdated of AAVCAssembler.cpp, there is a possible out of bounds read due to a heap...
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2021-39665- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
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
- Record
CVE-2021-39665- Updated
- 2026-11-02
EUVDEUVD-2021-26022 No score
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
- Record
EUVD-2021-26022- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3v53-gq55-qxx3 No score
In checkSpsUpdated of AAVCAssembler.cpp, there is a possible out of bounds read due to a heap...
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
- Record
GHSA-3v53-gq55-qxx3- Weakness
- CWE-787
- Updated
- 2026-11-02
OSVASB-A-204077881 No score
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.
- Record
ASB-A-204077881- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/avAndroid |
12:0 up to 12:2022-02-01, plus listed versions 12 |
12:2022-02-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39665 is a medium vulnerability (CVSS 6.5) in Google Android, published February 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.69%, the 53rd percentile. Fixed in platform/frameworks/av 12:2022-02-01.