CVE-2023-26923

Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading...

7.0 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.36%Up 0.3 points since Mar 29, 2023

What each source reports

NVD Score used 7.0

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.

Record: CVE-2023-26923
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

CVE List 7.0

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.

Record: CVE-2023-26923
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

EUVDEUVD-2023-30714 7.0

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.

Record: EUVD-2023-30714
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-68q9-m85g-jq3q 7.0

Musescore 3.0 to 4.0.1 has a stack buffer overflow vulnerability that occurs when reading...

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.

Record: GHSA-68q9-m85g-jq3q
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-787
Updated: 2026-11-02

OSV 7.0

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.

Record: CVE-2023-26923
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2023-26923 7.0

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.

Record: DEBIAN-CVE-2023-26923
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-26923 7.0

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.

Record: UBUNTU-CVE-2023-26923
CVSS 3.1: 7.0 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

musescore

Affected packages

Affected packages
Package	Affected	Fixed
`musescore3` Debian:12	All versions, plus listed versions 3.2.3+dfsg2-163.2.3+dfsg2-173.2.3+dfsg2-183.2.3+dfsg2-193.2.3+dfsg2-203.2.3+dfsg2-21	None known
`musescore3` Debian:13	before 3.2.3+dfsg2-18	3.2.3+dfsg2-18
`musescore3` Debian:14	before 3.2.3+dfsg2-18	3.2.3+dfsg2-18
`musescore` Ubuntu:16.04:LTS	All versions, plus listed versions 2.0.2+dfsg-12.0.2+dfsg-22.0.2+dfsg-2build12.0.2+dfsg-2ubuntu0.1	None known
`musescore` Ubuntu:18.04:LTS	All versions, plus listed versions 2.1.0+dfsg1-0.22.1.0+dfsg1-12.1.0+dfsg2-12.1.0+dfsg2-1build12.1.0+dfsg3-32.1.0+dfsg3-3build1	None known
`musescore` Ubuntu:20.04:LTS	All versions, plus listed versions 3.2.3+dfsg1-13.2.3+dfsg1-23.2.3+dfsg1-33.2.3+dfsg1-43.2.3+dfsg1-4build1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-26923 is a high vulnerability (CVSS 7.0) in Musescore, published March 28, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. Fixed in musescore3 3.2.3+dfsg2-18.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References