CVE-2026-26829

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

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

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