ByteOS Network

NVD Vulnerability Details :

CVE-2026-67304

Received

Source-disclosure@vulncheck.com

Published At-01 Aug, 2026 | 13:16

Updated At-01 Aug, 2026 | 13:16

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	8.7	HIGH	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary	3.1	7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Type: Secondary

Version: 4.0

Base score: 8.7

Base severity: HIGH

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Primary

Version: 3.1

Base score: 7.5

Base severity: HIGH

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE ID	Type	Source
CWE-476	Primary	disclosure@vulncheck.com

CWE ID: CWE-476

Type: Primary

Source: disclosure@vulncheck.com

References

Hyperlink	Source	Resource
https://github.com/FreeRDP/FreeRDP/commit/1cc783d4c78bd2f66d3a8582dfe70a663d141444	disclosure@vulncheck.com	N/A
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5	disclosure@vulncheck.com	N/A
https://www.vulncheck.com/advisories/freerdp-before-null-dereference-via-smartcard-cleanup	disclosure@vulncheck.com	N/A