owntone-server DAAP Request src/httpd_daap.c parse_meta null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in owntone-server. The impacted element is the function parse_meta of the file src/httpd_daap.c of the component DAAP Request Handler. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2025-63647. It is possible to launch the attack remotely. Furthermore, an exploit is available. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in owntone-server (the affected version unknown). Affected is the function parse_meta of the file src/httpd_daap.c of the component DAAP Request Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2025-63647 since 10/27/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Applying the patch 53ee9a3c3921e5448f502800c4dfa787865f6cb7 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 53ee9a3c3921e5448f502800c4dfa787865f6cb7

Timelineinfo

10/27/2025 CVE reserved
01/20/2026 +85 days Advisory disclosed
01/20/2026 +0 days VulDB entry created
02/14/2026 +25 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-63647 (🔒)
GCVE (CVE): GCVE-0-2025-63647
GCVE (VulDB): GCVE-100-342030
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/20/2026 23:03
Updated: 02/14/2026 02:27
Changes: 01/20/2026 23:03 (59), 02/14/2026 02:27 (11)
Complete: 🔍
Cache ID: 216::103

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