CVE-2020-20412: Stepmania

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

lib/codebook.c in libvorbis before 1.3.6, as used in StepMania 5.0.12 and other products, has insufficient array bounds checking via a crafted OGG file. NOTE: this may overlap CVE-2018-5146.

Affected products

• Stepmania Stepmania: version 5.0.12 only
• Xiph.org Libvorbis: from 1.3.2, before 1.3.6 (fixed in 1.3.6)

Published 2020-12-26. Last modified 2026-06-17.