CVE-2026-67304

HIGH

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.

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 8/1/2026Modified: 8/3/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-67304 — FreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smart...

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.

CVE-2026-67304
NIST NVD

References (4)

https://github.com/FreeRDP/FreeRDP/commit/1cc783d4c78bd2f66d3a8582dfe70a663d141444https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5https://www.vulncheck.com/advisories/freerdp-before-null-dereference-via-smartcard-cleanuphttps://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5