CVE-2026-111382

FreeRDP before 3.32.0 Heap Out-of-Bounds Write in AVC444 YUV444 Combine

HIGH
8.8
CVSS Score
Published: October 16, 2026 at 01:17 AM UTC
Updated: October 20, 2026 at 03:33 PM UTC
1 product affected across 1 vendorFreeRDP

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

FreeRDP before 3.32.0 contains a client-side heap out-of-bounds write vulnerability in general_LumaToYUV444 and general_ChromaV2ToYUV444 that allows malicious RDP servers to corrupt client memory. Attackers can send RDPGFX AVC444 or AVC444v2 frames with odd-height region rects ending at surface height to write past U/V planes, enabling heap corruption and potential code execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.32.0
Vendor states this is fixed in 3.32.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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