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)…

High · published January 20, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
35.1
In the wild
Unconfirmed
What it is

⚡ A NULL pointer dereference in the parse_meta function could turn your owntone-server into a no-show! Sending a crafted DAAP request is all it takes to trigger a Denial of Service. 🔥 Think of it like a restaurant where the head chef can't find a critical ingredient on the menu. One misplaced order creates chaos, and the kitchen shuts down! An attacker could send a specially crafted request that forces the server to crash, effectively shutting down services for everyone. This means your users could be left hanging while your server is out of commission, leading to upset patrons and lost opportunities.

Put simply

Think of it like a restaurant where the head chef can't find a critical ingredient on the menu. One misplaced order creates chaos, and the kitchen shuts down! This vulnerability occurs in the parse_meta function of owntone-server, where a NULL pointer dereference allows attackers to exploit server requests, causing it to become unresponsive.

What to do

An attacker could send a specially crafted request that forces the server to crash, effectively shutting down services for everyone. This means your users could be left hanging while your server is out of commission, leading to upset patrons and lost opportunities. To remediate this, update to the latest version of owntone-server that addresses this issue. Regularly monitor your server logs for unusual DAAP requests, and consider implementing rate limiting to mitigate potential DoS attacks. You've got this! Follow these steps, and your server will be back on track in no time! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00419 · 35.1th percentile
Published
2026-01-20T00:00Z
EPSS history
Timeline
  • 20 JAN 00:00Z
    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)…
    cvelistv5