What’s Vulnerable › Vulnerabilities

CVE-2023-27566

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-03-03 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• Live2D Cubism Editor: 4.2.03

References

• https://docs.live2d.com/cubism-editor-manual/updates4/
• https://github.com/openl2d/moc3ingbird
• https://news.ycombinator.com/item?id=35013098
• https://undeleted.ronsor.com/live2d-a-security-trainwreck/
• https://docs.live2d.com/cubism-editor-manual/updates4/
• https://github.com/openl2d/moc3ingbird
• https://news.ycombinator.com/item?id=35013098
• https://undeleted.ronsor.com/live2d-a-security-trainwreck/

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