NULL pointer dereference in Owntone Server
CVE-2025-63647
A NULL pointer dereference in the parse_meta function (src/httpd_daap.c) of owntone-server commit 334beb allows attackers to cause a Denial of Service (DoS) via sending a crafted DAAP 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 (32.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
Weakness classification (CWE)
References
- github.com/archersec/poc/tree/master/owntone-server (Patch, Third Party Advisory)
- github.com/owntone/owntone-server/commit/53ee9a3c3921e5448f502800c4dfa787865f6c… (Patch)
- github.com/archersec/security-advisories/blob/master/owntone-server/owntone-ser… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-63647?
- CVE-2025-63647 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-2025-63647?
- High severity. CVSS v3 base score is 7.5 out of 10.