CVE-2026-67304

High

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductFreerdp

PublishedAug 1, 2026

First seenAug 1, 2026

Weakness typeCWE-476NULL pointer dereference

How to fix

Update

freerdp freerdp3.29.0 or later

Patches

github.com/FreeRDP/FreeRDP/commit/1cc783d4c78bd2f66d3a8582dfe70a663d141444

Vendor advisories

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5

Affected products

Product	Affected versions	Fixed in
freerdp freerdp	v < 3.29.0	3.29.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.