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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (29.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/owntone/owntone-server/issues/1933 (Patch, Issue Tracking)
- github.com/owntone/owntone-server/commit/5f526c7a7e08c567a5c72421d74a79dafdd076… (Patch)
- github.com/archersec/security-advisories/blob/master/owntone-server/owntone-ser… (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.