CVE-2021-25493 Memory corruption in Samsung Notes
An out-of-bounds read in the libSPenBase library of Samsung Notes allows attackers to potentially disclose sensitive memory contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25493?
CVE-2021-25493 is a medium-severity memory corruption vulnerability in Samsung Notes, published on 6 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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
Which versions are affected by CVE-2021-25493?
It affects 1 product.
Products include Samsung Notes.
How do I fix CVE-2021-25493?
No fix has been published for CVE-2021-25493 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-25493 being exploited?
There is no known exploitation of CVE-2021-25493 in the wild and no public exploit code.
Other vulnerabilities in Samsung Notes
Sources
Also known as GHSA-hfh4-6968-3pqr.