owntone-server up to 28.2 src/httpd_daap.c daap_reply_groups null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in owntone-server up to 28.2. It has been rated as problematic. This issue affects the function daap_reply_groups of the file src/httpd_daap.c. Performing a manipulation results in null pointer dereference. This vulnerability is reported as CVE-2025-57155. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic has been found in owntone-server up to 28.2. This affects the function daap_reply_groups of the file src/httpd_daap.c. 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. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-57155 since 08/17/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch d857116e4143a500d6a1ea13f4baa057ba3b0028 is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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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: 🔒
Status: Not defined

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: d857116e4143a500d6a1ea13f4baa057ba3b0028

Timelineinfo

08/17/2025 CVE reserved
01/20/2026 +156 days Advisory disclosed
01/20/2026 +0 days VulDB entry created
02/14/2026 +25 days VulDB entry last update

Sourcesinfo

Advisory: d857116e4143a500d6a1ea13f4baa057ba3b0028
Status: Confirmed

CVE: CVE-2025-57155 (🔒)
GCVE (CVE): GCVE-0-2025-57155
GCVE (VulDB): GCVE-100-342027

Entryinfo

Created: 01/20/2026 23:01
Updated: 02/14/2026 02:27
Changes: 01/20/2026 23:01 (57), 02/14/2026 02:27 (11)
Complete: 🔍
Cache ID: 216::103

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