CVE-2026-67304

FreeRDP before 3.29.0 NULL Dereference via smartcard cleanup

HIGH
7.5
CVSS Score
Published: August 1, 2026 at 12:22 PM UTC
Updated: September 8, 2026 at 02:21 PM UTC
1 product affected across 1 vendorFreeRDP

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

FreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard device control request cleanup when reader-state decoding fails. Attackers can send malformed smartcard IRP requests with non-zero cReaders and truncated reader-state data to crash the process via null pointer access in free_reader_states functions.

Affected

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

v < 3.29.0
Vendor states this is fixed in 3.29.0 (unaffected)

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

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

CVSS

7.5HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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