Debian Linux - freerdp2 - None

freerdp3 - None

Ubuntu Linux - Heap-buffer-overflow write in TS Gateway RPC RESPONSE reassembly due to alloc_hint capacity mismatch

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

  - Update to 3.27.1      It fixes CVE-2026-55191, CVE-2026-55192, CVE-2026-55193, CVE-2026-55194,     CVE-2026-55648 and CVE-2026-55827. (CVE-2026-55194)

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

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-78a12ffec8 advisory.

    Update to 3.27.1

    It fixes CVE-2026-55191, CVE-2026-55192, CVE-2026-55193, CVE-2026-55194,     CVE-2026-55648 and CVE-2026-55827.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  CVE-2026-55191, CVE-2026-55192, CVE-2026-55193, CVE-2026-55194, CVE-2026-55648, CVE-2026-55827


The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-9c6082d92d advisory.

    Update to 3.27.1

    It fixes CVE-2026-55191, CVE-2026-55192, CVE-2026-55193, CVE-2026-55194,     CVE-2026-55648 and CVE-2026-55827.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
325537	Linux Distros Unpatched Vulnerability : CVE-2026-55194	Nessus	Misc.	critical
325081	Fedora 43 : freerdp (2026-78a12ffec8)	Nessus	Fedora Local Security Checks	critical
444102	Alpine: multiple freerdp packages: security update to 3.27.1-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	critical
444102	Alpine: multiple freerdp packages: security update to 3.27.1-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	critical
321878	Fedora 44 : freerdp (2026-9c6082d92d)	Nessus	Fedora Local Security Checks	critical

Detections

Analytics

CVE-2026-55194

critical

Tenable Plugins

critical

critical

critical

critical

critical