High 7.5Published Mar 22, 2026

CVE-2026-26829A 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 r…

Updated under an hour ago (Oct 27, 2026, 10:10 AM ET)

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Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Deferred
Record last updated: Mar 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

No affected products are listed yet.

References

References

https://github.com/archersec/poc/tree/master/owntone-server-2
https://github.com/owntone/owntone-server/commit/41e3733cccd527918a08cf05694c5493341bb70f
https://github.com/archersec/security-advisories/blob/master/owntone-server/owntone-server-advisory-2026.md

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.