CVE-2025-20891 — MEDIUM (5.3)

Vulnerability Description

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.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Samsung	Android	12.0

Related Weaknesses (CWE)

CWE-125

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2025&month=01Vendor Advisory

FAQ

What is CVE-2025-20891?

CVE-2025-20891 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...

How severe is CVE-2025-20891?

CVE-2025-20891 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-20891?

Check the references section above for vendor advisories and patch information. Affected products include: Samsung Android.