CVE-2021-25492
Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung...
Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read.
- Record
CVE-2021-25492- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2021-12388
Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read.
- Record
EUVD-2021-12388- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wfx7-9xj8-qg53
Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung...
Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read.
- Record
GHSA-wfx7-9xj8-qg53- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125, CWE-787
- Updated
- 2026-11-02
NVD
Lack of boundary checking of a buffer in libSPenBase library of Samsung Notes prior to Samsung Note version 4.3.02.61 allows OOB read.
- Record
CVE-2021-25492- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - CVSS 2.0
- 3.6 Low
AV:L/AC:L/Au:N/C:P/I:N/A:P - Weakness
- CWE-787, CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25492 is a high vulnerability (CVSS 7.3) in Samsung Notes, published October 6, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.