PT-2026-27147 · Unknown · Owntone-Server

Archersec · Published 2026-03-23 · Updated 2026-03-23 · CVE-2026-26829

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions owntone-server (affected versions not specified)

Description A flaw exists in the safe atou64 function within owntone-server, specifically in the src/misc.c file, up to commit c4d57aa. This issue, a NULL pointer dereference, can be triggered by sending specially crafted HTTP requests to the server, potentially leading to a Denial of Service (DoS).

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-26829

Affected Products

Owntone-Server

References · 5

• 🔥 https://github.com/archersec/poc/tree/master/owntone-server-2 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-26829 · Security Note
• https://github.com/owntone/owntone-server/commit/41e3733cccd527918a08cf05694c5493341bb70f · Note
• https://twitter.com/VulmonFeeds/status/2036165501756305895 · Twitter Post
• https://github.com/archersec/security-advisories/blob/master/owntone-server/owntone-server-advisory-2026.md · Note