NULL Pointer Dereference Vulnerability in Owntone Server by Owntone
CVE-2025-63647

7.5HIGH

Key Information:

Vendor

Owntone

Status
Owntone Server
Vendor
CVE Published:
20 January 2026

What is CVE-2025-63647?

A vulnerability exists in the Owntone Server where a NULL pointer dereference within the parse_meta function can be exploited by attackers. By crafting specific DAAP (Digital Audio Access Protocol) requests, an attacker can trigger a Denial of Service (DoS), causing the server to become unresponsive. This issue highlights the need for proper input validation and error handling to maintain service availability.

References

https://github.com/archersec/poc/tree/master/owntone-server
https://github.com/owntone/owntone-server/commit/53ee9a3c...
https://github.com/archersec/security-advisories/blob/mas...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.