Rocky Linux 9 [CIQ] Security Update: freerdp / freerdp-debuginfo / freerdp-debugsource / freerdp-devel / etc Multiple Vulnerabilities (crlsa-2026_6340)

critical Nessus Plugin ID 355471

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_6340 advisory.

* freerdp: FreeRDP heap-use-after-free (CVE-2026-22856)

* freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22854)

* freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22852)

* freerdp: FreeRDP: Denial of Service via FastGlyph parsing buffer overflow (CVE-2026-23732)

* freerdp: FreeRDP: Denial of Service via use-after-free in AUDIN format renegotiation (CVE-2026-24676)

* freerdp: FreeRDP has a heap-use-after-free in video_timer (CVE-2026-24491)

* freerdp: FreeRDP has a NULL Pointer Dereference in rdp_write_logon_info_v2() (CVE-2026-23948)

* freerdp: FreeRDP has a Heap-use-after-free in play_thread (CVE-2026-24684)

* freerdp: FreeRDP has a heap-use-after-free in urb_bulk_transfer_cb (CVE-2026-24681)

* freerdp: FreeRDP has a heap-use-after-free in ainput_send_input_event (CVE-2026-24683)

* freerdp: FreeRDP has a heap-buffer-overflow in urb_select_interface (CVE-2026-24679)

* freerdp: FreeRDP has a Heap-use-after-free in urb_select_interface (CVE-2026-24675)

* freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages (CVE-2026-31806)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_6340.

See Also

https://access.redhat.com/errata/RHSA-2026:6340

https://bugzilla.redhat.com/show_bug.cgi?id=2429650

https://bugzilla.redhat.com/show_bug.cgi?id=2429652

https://bugzilla.redhat.com/show_bug.cgi?id=2429654

https://bugzilla.redhat.com/show_bug.cgi?id=2430881

https://bugzilla.redhat.com/show_bug.cgi?id=2438201

https://bugzilla.redhat.com/show_bug.cgi?id=2438202

https://bugzilla.redhat.com/show_bug.cgi?id=2438207

https://bugzilla.redhat.com/show_bug.cgi?id=2438208

https://bugzilla.redhat.com/show_bug.cgi?id=2438210

https://bugzilla.redhat.com/show_bug.cgi?id=2438216

https://bugzilla.redhat.com/show_bug.cgi?id=2438217

https://bugzilla.redhat.com/show_bug.cgi?id=2438221

https://bugzilla.redhat.com/show_bug.cgi?id=2447376

https://errata.build.resf.org/RLSA-2026:6340

http://www.nessus.org/u?10459d21

http://www.nessus.org/u?f5bafbe8

Plugin Details

Severity: Critical

ID: 355471

File Name: ciq_rocky_linux_9_crlsa-2026_6340.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.49

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-31806

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.9

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2026

Vulnerability Publication Date: 1/14/2026

Reference Information

CVE: CVE-2026-22852, CVE-2026-22854, CVE-2026-22856, CVE-2026-23732, CVE-2026-23948, CVE-2026-24491, CVE-2026-24675, CVE-2026-24676, CVE-2026-24679, CVE-2026-24681, CVE-2026-24683, CVE-2026-24684, CVE-2026-31806