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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Live2d Cubism Editor — versions 4.2.03
Weakness classification (CWE)
Public proof-of-concept exploits
References
- undeleted.ronsor.com/live2d-a-security-trainwreck/ (Exploit)
- github.com/openl2d/moc3ingbird (Third Party Advisory)
- docs.live2d.com/cubism-editor-manual/updates4/ (Release Notes)
- news.ycombinator.com/item (Issue Tracking)
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.