What is CVE-2020-25278?

CVE-2020-25278 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-09-11.

How severe is CVE-2020-25278?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-25278 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Google Android

CVE-2020-25278

An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) software. The Quram image codec library allows attackers to overwrite memory and execute arbitrary code via crafted JPEG data that is mishandled during decoding. The Samsung IDs are SVE-2020-18088, SVE-2020-18225, SVE-2020-18301 (September 2020).

Vulnerability class: Buffer Overflow

Published 2020-09-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.5th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Google Android — versions 8.0, 8.1, 9.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

404notf0und/CVE-Flow

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2020-25278?: CVE-2020-25278 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-09-11.
How severe is CVE-2020-25278?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-25278 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.