NULL pointer dereference in Owntone Server

CVE-2025-57155

NULL pointer dereference in the daap_reply_groups function in src/httpd_daap.c in owntone-server through commit 5e6f19a (newer commit after version 28.2) allows remote attackers to cause a Denial of Service.

EPSS: 0.003 (25.7th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-57155?
CVE-2025-57155 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-2025-57155?
High severity. CVSS v3 base score is 7.5 out of 10.