CVE-2026-24677

CRITICAL
2026-02-09 [email protected]
9.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Feb 10, 2026 - 15:09 nvd
Patch available
CVE Published
Feb 09, 2026 - 19:15 nvd
CRITICAL 9.1

Tags

Use After Free Buffer Overflow Freerdp Redhat Suse

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, ecam_encoder_compress_h264 trusts server-controlled dimensions and does not validate the source buffer size, leading to an out-of-bounds read in sws_scale. This vulnerability is fixed in 3.22.0.

Analysis

FreeRDP prior to 3.22.0 has a use-after-free in ecam_encoder_compress allowing malicious RDP servers to crash or execute code on clients.

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Remediation

Within 24 hours: Identify all systems running FreeRDP versions prior to 3.22.0 using asset inventory and vulnerability scanning tools. Within 7 days: Apply vendor patch to upgrade FreeRDP to version 3.22.0 or later across all affected systems, prioritizing externally-facing and critical infrastructure first. …

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Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +46
POC: 0

Vendor Status

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CVE-2026-24677 vulnerability details – vuln.today
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