What’s Vulnerable › Vulnerabilities

CVE-2020-20412

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-26 · updated 2026-06-17
• Weakness: CWE-129

Description

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: 5.0.12
• Xiph.Org Libvorbis: from 1.3.2 before 1.3.6 — fixed in 1.3.6

How to fix

Upgrade to a fixed version: Xiph.Org Libvorbis 1.3.6. Check the vendor advisory for mitigations.

References

• https://github.com/stepmania/stepmania/issues/1890
• https://github.com/stepmania/stepmania/issues/1890

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