CVE-2026-67288
Last modified
CVE-2026-67288 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 cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache requests with NULL lookup-name pointers to trigger strlen() on a null pointer, causing client process termination.. 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 cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache requests with NULL lookup-name pointers to trigger strlen() on a null pointer, causing client process termination.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | < 3.29.0 |
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-ph3q-f9w8-7jf3Patch, Vendor Advisory
- https://www.vulncheck.com/advisories/freerdp-before-denial-of-service-via-smartcard-cachePatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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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.
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