← Vulnerability feed

Vulnerability record · CVE-2025-63647 · published 20 January 2026

CVE-2025-63647: Owntone server null pointer dereference vulnerability

OOwntone · Owntone Server

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.

7.5 CVSS 3.1 High EPSS 0.41% · top 67.4% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/archersec/poc/tree/master/owntone-server PatchThird Party Advisory
https://github.com/archersec/security-advisories/blob/master/owntone-server/owntone-server-advisory-2025.md PatchThird Party Advisory
https://github.com/owntone/owntone-server/commit/53ee9a3c3921e5448f502800c4dfa787865f6cb7 Patch

Track CVE-2025-63647 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-38383Owntone server use after free vulnerabilityOwnTone (aka owntone-server) through 28.1 has a use-after-free in net_bind() in misc.c.EPSS 1.2%7.5CVE-2025-63648Owntone server null pointer dereference vulnerabilityA NULL pointer dereference in the dacp_reply_playqueueedit_move function (src/httpd_dacp.c) of owntone-server commit b7e385f allows attackers to caus…EPSS 0.38%7.5CVE-2025-57155Owntone server null pointer dereference vulnerabilityNULL pointer dereference in the daap_reply_groups function in src/httpd_daap.c in owntone-server through commit 5e6f19a (newer commit after version 2…EPSS 0.39%7.5CVE-2025-57156Owntone server null pointer dereference vulnerabilityNULL pointer dereference in the dacp_reply_playqueueedit_clear function in src/httpd_dacp.c in owntone-server through commit 6d604a1 (newer commit af…EPSS 0.50%6.2CVE-2026-21525Windows Remote Access Connection Manager null pointer dereference DoSWindows Remote Access Connection Manager contains a null pointer dereference (CWE-476) that lets an unauthorized attacker deny service locally. The f…KEVEPSS 4.8%analysed

Source: NIST National Vulnerability Database (record CVE-2025-63647), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.