Vulnerability in Freerdp
CVE-2026-109250
FreeRDP 3.0.0 before 3.32.0 contains a heap buffer overflow vulnerability in collect_keys() that allows local attackers to write past the fixed 64-entry keys array during PKCS#11 key enumeration. Attackers controlling smartcard tokens can present more than 64 public key objects across multiple slots to corrupt heap memory with attacker-chosen CKA_ID and CKA_LABEL data during smartcard logon.
Published .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-jhv5-m83m-hxhq (vendor-advisory)
- www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-heap-buffer-overflow-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109250?
- CVE-2026-109250 is a medium-severity vulnerability in Freerdp, classified under Improper Validation of Array Index. CVSS score: 6.6/10. Published 2026-10-12.
- How severe is CVE-2026-109250?
- Medium severity. CVSS v3 base score is 6.6 out of 10.