Buffer overflow in Google Android

CVE-2025-20979

Out-of-bounds write in libsavscmn prior to Android 15 allows local attackers to execute arbitrary code.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android
Samsung Mobile Libsavscmn — versions Android 15

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

mobile.security@samsung.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-20979?: CVE-2025-20979 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2025-05-07.
How severe is CVE-2025-20979?: High severity. CVSS v3 base score is 8.4 out of 10.