PT-2026-2932 · Freerdp+3 · Freerdp+3

Ehdgks0627 · Published 2026-01-01 · Updated 2026-04-07 · CVE-2026-22854

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.20.1

Description A heap-buffer-overflow can occur in drive read when a server-controlled read length is used to read file data into an IRP output stream buffer without a hard upper bound. This allows an oversized read to overwrite heap memory.

Recommendations Update to version 3.20.1 or later.

Exploit

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

ALSA-2026:6340

ALSA-2026:6799

ALSA-2026:6918

BDU:2026-00626

CVE-2026-22854

GHSA-47VJ-G3C3-3RMF

MGASA-2026-0086

OESA-2026-1519

OESA-2026-1520

OPENSUSE-SU-2026:10059-1

OPENSUSE-SU-2026:10176-1

OPENSUSE-SU-2026:20320-1

OPENSUSE-SU-2026:20339-1

RHSA-2026:10076

RHSA-2026:10734

RHSA-2026:10735

RHSA-2026:10951

RHSA-2026:11323

RHSA-2026:6340

RHSA-2026:6727

RHSA-2026:6743

RHSA-2026:6799

RHSA-2026:6918

RHSA-2026:6958

RHSA-2026:9640

RHSA-2026:9641

SUSE-SU-2026:0345-1

SUSE-SU-2026:0417-1

SUSE-SU-2026:0421-1

SUSE-SU-2026:0449-1

SUSE-SU-2026:0559-1

USN-8105-1

Affected Products

Freerdp

Linuxmint

Rocky Linux

Ubuntu

References · 227

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22854.json · Exploit
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-47vj-g3c3-3rmf · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23531 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-25942 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23884 · Security Note
• https://osv.dev/vulnerability/ALSA-2026:6918 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/J3QGQZQS6664TXPPYGBP7673W2JAXG4K · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-25997 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23530 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-26986 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-25953 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10176-1 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2026-6340.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-22854 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-22854 · Vendor Advisory