Out-of-bounds Read in Samsung Android
CVE-2025-20891
Out-of-bounds read in decoding malformed bitstream of video thumbnails in libsthmbc.so prior to SMR Jan-2025 Release 1 allows local attackers to read arbitrary memory. User interaction is required for triggering this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L.
EPSS exploit prediction
EPSS: 0.001 (2.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Samsung Android — versions 12.0, 13.0, 14.0
- Samsung Mobile Devices — versions SMR Jan-2025 Release in Android 12, 13, 14
Weakness classification (CWE)
References
- security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20891?
- CVE-2025-20891 is a medium-severity vulnerability in Samsung Android, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2025-02-04.
- How severe is CVE-2025-20891?
- Medium severity. CVSS v3 base score is 5.3 out of 10.