PT-2026-2937 · Freerdp+2 · Freerdp+2

Ehdgks0627 · Published 2026-01-01 · Updated 2026-04-06 · CVE-2026-22857

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 FreeRDP is a free implementation of the Remote Desktop Protocol. A heap use-after-free condition exists in the irp thread func function because the IRP is freed by irp->Complete() and subsequently accessed again during error handling.

Recommendations Update to version 3.20.1 or later.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-00619

CVE-2026-22857

GHSA-4GXQ-JHQ6-4CR8

MGASA-2026-0086

OESA-2026-1516

OESA-2026-1517

OESA-2026-1518

OESA-2026-1519

OESA-2026-1520

OESA-2026-1521

OPENSUSE-SU-2026:10059-1

OPENSUSE-SU-2026:10459-1

OPENSUSE-SU-2026:20339-1

OPENSUSE-SU-2026:20632-1

SUSE-SU-2026:0345-1

SUSE-SU-2026:0656-1

SUSE-SU-2026:0683-1

SUSE-SU-2026:0761-1

SUSE-SU-2026:0762-1

USN-8105-1

Affected Products

Freerdp

Linuxmint

Ubuntu

References · 197

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22857.json · Exploit
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4gxq-jhq6-4cr8 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-27951 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23732 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-22857 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-23531 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-26986 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-24679 · Security Note
• https://ubuntu.com/security/CVE-2026-22858 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-22853 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-25941 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23732 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10459-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-24681 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0345-1 · Vendor Advisory