Buffer overflow in Live2d Cubism Editor

CVE-2023-27566

Cubism Core in Live2D Cubism Editor 4.2.03 allows out-of-bounds write via a crafted Section Offset Table or Count Info Table in an MOC3 file.

Vulnerability class: Buffer Overflow

EPSS: 0.006 (44.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-27566?
CVE-2023-27566 is a high-severity vulnerability in Live2d Cubism Editor, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-03-03.
How severe is CVE-2023-27566?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-27566 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.