VDB-224195 · CVE-2023-26923 · Issue 16346

Musescore up to 4.0.1 MIDI File stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Musescore up to 4.0.1. This issue affects some unknown processing of the component MIDI File Handler. The manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2023-26923. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in Musescore up to 4.0.1 and classified as critical. This issue affects some unknown processing of the component MIDI File Handler. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading misconfigured midi files. If attacker can additional information, attacker can execute arbitrary code.

The weakness was published 03/28/2023 as 16346. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-26923 since 02/27/2023. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-30714). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Musescore

Version

Website

Product: https://github.com/musescore/MuseScore/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/27/2023 🔍
03/28/2023 +28 days 🔍
03/28/2023 +0 days 🔍
11/12/2025 +960 days 🔍

Sourcesinfo

Product: github.com

Advisory: 16346
Status: Confirmed

CVE: CVE-2023-26923 (🔍)
GCVE (CVE): GCVE-0-2023-26923
GCVE (VulDB): GCVE-100-224195
EUVD: 🔍

Entryinfo

Created: 03/28/2023 18:13
Updated: 11/12/2025 18:15
Changes: 03/28/2023 18:13 (38), 02/19/2025 01:33 (26), 11/12/2025 18:15 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.