What is CVE-2026-40449?

CVE-2026-40449 is a medium-severity vulnerability in Samsung Open Source One, classified under Integer Overflow or Wraparound. CVSS score: 6.6/10. Published 2026-04-22.

How severe is CVE-2026-40449?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Integer overflow in Samsung Open Source One

CVE-2026-40449

Integer overflow in buffer size calculation could result in out of bounds memory access when handling large tensors in Samsung Open Source ONE. Affected version is prior to commit 1.30.0.

Vulnerability class: Integer Overflow

EPSS: 0.000 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H.

Affected products

Samsung Open Source One — versions 1.30.0

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/Samsung/ONE/pull/16481

Frequently asked questions

What is CVE-2026-40449?: CVE-2026-40449 is a medium-severity vulnerability in Samsung Open Source One, classified under Integer Overflow or Wraparound. CVSS score: 6.6/10. Published 2026-04-22.
How severe is CVE-2026-40449?: Medium severity. CVSS v3 base score is 6.6 out of 10.