Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/FreeRDP/FreeRDP/commit/1cc783d4c78bd2f66d3a8582dfe70a663d1414
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5
- https://www.vulncheck.com/advisories/freerdp-before-null-dereference-via-smartca
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5
FAQ
What is CVE-2026-67304?
CVE-2026-67304 is a vulnerability with a CVSS score of 7.5 (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 request...
How severe is CVE-2026-67304?
CVE-2026-67304 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-67304?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.