What is CVE-2023-26923?

CVE-2023-26923 is a high-severity vulnerability in Musescore, classified under Out-of-bounds Write. CVSS score: 7.0/10. Published 2023-03-28.

How severe is CVE-2023-26923?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2023-26923 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Musescore

CVE-2023-26923

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.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (29.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Musescore
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-26923?: CVE-2023-26923 is a high-severity vulnerability in Musescore, classified under Out-of-bounds Write. CVSS score: 7.0/10. Published 2023-03-28.
How severe is CVE-2023-26923?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2023-26923 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.