CVE-2026-67304

HIGH

FreeRDP before 3.29.0 NULL Dereference via smartcard cleanup

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-78jj-45vh-jpm5)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5
Third Party Advisory third-party-advisory
VulnCheck Advisory: FreeRDP before 3.29.0 NULL Dereference via smartcard cleanup
https://www.vulncheck.com/advisories/freerdp-before-null-dereference-via-smartcard-cleanup

Scores

CVSS v3 7.5
EPSS 0.0035
EPSS Percentile 28.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (2)
FreeRDP/FreeRDP < 3.29.0
FreeRDP/FreeRDP 3.29.0
Published Aug 01, 2026
Tracked Since Aug 01, 2026