TI-2025-39393 Aliases CVE-2025-63648 GHSA-947x-m4f9-3h48

A NULL pointer dereference in the dacp_reply_playqueueedit_move function…

HIGH 72CWE-476Published 2026-01-20 · Updated 2026-01-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-476.

Summary

A NULL pointer dereference in the dacp_reply_playqueueedit_move function (src/httpd_dacp.c) of owntone-server commit b7e385f allows attackers to cause a Denial of Service (DoS) via sending a crafted DACP request to the server.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00385 32nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:owntone:owntone_server::::::::	up to 29.0	Vulnerable	owntone

cpe:2.3:a:owntone:owntone_server:*:*:*:*:*:*:*:* Versions up to 29.0 Vulnerable ·owntone

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-63648
2026-10-03 Alias added: GHSA-947x-m4f9-3h48

References

Patch 3

TI-2025-39392 A NULL pointer dereference in the parse_meta function (src/httpd_daap.c) of… CVSS 3.1HIGH 7.5
TI-2025-35462 NULL pointer dereference in the dacp_reply_playqueueedit_clear function in… CVSS 3.1HIGH 7.5
TI-2021-15987 OwnTone (aka owntone-server) through 28.1 has a use-after-free in net_bind() in misc.c. CVSS 3.1CRITICAL 9.8
TI-2025-35461 NULL pointer dereference in the daap_reply_groups function in src/httpd_daap.c in… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences