The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - usb: typec: tcpm/tcpci_maxim: validate header NDO against RX_BYTE_CNT A broken/malicious port can transmit     a CRC-valid frame whose header advertises up to seven data objects but whose body carries fewer than that.
    Check for this, and rightfully reject the message, instead of reading from uninitialized stack memory.
    (CVE-2026-63959)

Note that Nessus relies on the presence of the package as reported by the vendor.

An update of the linux package has been released.

ID	Name	Product	Family	Published	Updated	Severity
327937	Linux Distros Unpatched Vulnerability : CVE-2026-63959	Nessus	Misc.	7/20/2026	7/29/2026	medium
322944	Photon OS 5.0: Linux PHSA-2026-5.0-0895	Nessus	PhotonOS Local Security Checks	6/26/2026	8/1/2026	high

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