What is CVE-2025-63648?

CVE-2025-63648 is a high-severity vulnerability in Owntone Server, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-01-20.

How severe is CVE-2025-63648?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Owntone Server

CVE-2025-63648

A NULL pointer dereference in the dacp_reply_playqueueedit_move function (src/httpd_dacp.c) of owntone-server commit b7e385f allows attackers to cause a Denial of Service (DoS) via sending a crafted DACP request to the server.

EPSS: 0.003 (24.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Owntone Owntone_server
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

cve@mitre.org (Patch, Issue Tracking)
cve@mitre.org (Patch)
cve@mitre.org (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63648?: CVE-2025-63648 is a high-severity vulnerability in Owntone Server, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-01-20.
How severe is CVE-2025-63648?: High severity. CVSS v3 base score is 7.5 out of 10.