CVE-2021-33897

MEDIUM

Synthesia < 10.8 - Buffer Overflow

Title source: rule
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory
https://isopach.dev/CVE-2021-33897
Release Notes, Vendor Advisory
https://synthesiagame.com/news

Scores

CVSS v3 5.5
EPSS 0.0006
EPSS Percentile 19.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-120
Status published
Products (1)
synthesiagame/synthesia < 10.8
Published Nov 17, 2022
Tracked Since Feb 18, 2026