Detections
Analytics
AlmaLinux 9 : freerdp (ALSA-2026:3067)
medium Nessus Plugin ID 300026
Synopsis
The remote AlmaLinux host is missing one or more security updates.Description
The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:3067 advisory.* freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22855)
* freerdp: FreeRDP global-buffer-overflow (CVE-2026-22858)
* freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22859)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
Plugin Details
Severity: Medium
ID: 300026
File Name: alma_linux_ALSA-2026-3067.nasl
Version: 1.1
Type: local
Family: Alma Linux Local Security Checks
Published: 2/26/2026
Updated: 2/26/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.0
CVSS v2
Risk Factor: High
Base Score: 9.4
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:C
CVSS Score Source: CVE-2026-22859
CVSS v3
Risk Factor: Critical
Base Score: 9.1
Temporal Score: 8.2
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6.1
Threat Score: 5.6
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Information
CPE: cpe:/o:alma:linux:9::supplementary, p-cpe:/a:alma:linux:freerdp, cpe:/o:alma:linux:9::baseos, p-cpe:/a:alma:linux:libwinpr, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap_hana, p-cpe:/a:alma:linux:freerdp-devel, cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::crb, p-cpe:/a:alma:linux:libwinpr-devel, p-cpe:/a:alma:linux:freerdp-libs
Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 2/23/2026
Vulnerability Publication Date: 1/14/2026