What is CVE-2025-50361?

CVE-2025-50361 is a medium-severity vulnerability in Smallbasic, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.1/10. Published 2025-12-03.

How severe is CVE-2025-50361?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Is CVE-2025-50361 known to be exploited?

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

Buffer overflow in Smallbasic

CVE-2025-50361

Buffer Overflow was found in SmallBASIC community SmallBASIC with SDL Before v12_28, and commit sha:298a1d495355959db36451e90a0ac74bcc5593fe in the function main.cpp, which can lead to potential information leakage and crash.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (8.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

Smallbasic
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2025-50361?: CVE-2025-50361 is a medium-severity vulnerability in Smallbasic, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.1/10. Published 2025-12-03.
How severe is CVE-2025-50361?: Medium severity. CVSS v3 base score is 5.1 out of 10.
Is CVE-2025-50361 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.