CVE-2026-26829

high

Description

A NULL pointer dereference in the safe_atou64 function (src/misc.c) of owntone-server through commit c4d57aa allows attackers to cause a Denial of Service (DoS) via sending a series of crafted HTTP requests to the server.

References

https://github.com/owntone/owntone-server/commit/41e3733cccd527918a08cf05694c5493341bb70f

https://github.com/archersec/security-advisories/blob/master/owntone-server/owntone-server-advisory-2026.md

https://github.com/archersec/poc/tree/master/owntone-server-2

Details

Source: Mitre, NVD

Published: 2026-03-23

Updated: 2026-03-23

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H