What’s Vulnerable › Vulnerabilities

CVE-2021-33897

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-17 · updated 2026-06-17
• Weakness: CWE-120

Description

A buffer overflow in Synthesia before 10.7.5567, when a non-Latin locale is used, allows user-assisted attackers to cause a denial of service (application crash) via a crafted MIDI file with malformed bytes. This file is mishandled during a deletion attempt. In Synthesia before 10.9, an improper path handling allows local attackers to cause a denial of service (application crash) via a crafted MIDI file with malformed bytes.

Affected products

• Synthesiagame Synthesia: through 10.8

References

• https://isopach.dev/CVE-2021-33897
• https://synthesiagame.com/news
• https://isopach.dev/CVE-2021-33897
• https://synthesiagame.com/news

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