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CVE-2026-26829

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-23 · updated 2026-06-17
• Weakness: CWE-476

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

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