CVE-2026-67304
Last modified
CVE-2026-67304 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | < 3.29.0 |
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5Exploit, Vendor Advisory
- https://www.vulncheck.com/advisories/freerdp-before-null-dereference-via-smartcard-cleanupPatch, Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-78jj-45vh-jpm5Exploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-67304?
How severe is CVE-2026-67304?
How do I fix CVE-2026-67304?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-67299FreeRDP before 3.29.0 contains a client-side heap use-after-…7.5
- CVE-2026-6730IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer ov…9.8
- CVE-2026-67300FreeRDP before 3.29.0 contains client-side heap use-after-fr…7.5
- CVE-2026-67301FreeRDP before 3.29.0 contains out-of-bounds read vulnerabil…7.5
- CVE-2026-67302FreeRDP before 3.29.0 (affected versions <= 3.28.0) contains…6.5
- CVE-2026-67303FreeRDP before 3.29.0 contains a reachable assertion (WINPR_…4.3
- CVE-2026-67305FreeRDP Windows client before 3.29.0 contains a heap buffer …8.8
- CVE-2026-67306FreeRDP versions 3.28.0 and earlier contain an out-of-bounds…5.4
- CVE-2026-67307Wazuh 5.0.0-beta1 (fixed in 5.0.0-beta3) does not validate o…7.7
- CVE-2026-67308Wazuh workflows before 44bf114 contain a shell injection vul…9.3
- CVE-2026-67309Traefik versions >= v3.7.0 and <= v3.7.7 contain a path trav…7.5
- CVE-2026-6731X.509 name constraint bypass via the Subject Common Name whe…7.5
Are you affected by CVE-2026-67304?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST