Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck

CVE-2026-109250FreeRDP 3.0.0 before 3.32.0 Heap Buffer Overflow via PKCS#11 collect_keys()

Medium 6.6

In plain English

A medium-severity security flaw in FreeRDP from FreeRDP. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.6Medium

Exploit odds (30 days)0.3%top 82.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:12	freerdp2	no fix listed	DEBIAN-CVE-2026-109250
Debian:13	freerdp3	no fix listed	DEBIAN-CVE-2026-109250
Debian:14	freerdp3	3.32.0+dfsg-1	DEBIAN-CVE-2026-109250
Ubuntu:22.04:LTS	freerdp2	no fix listed	UBUNTU-CVE-2026-109250
Ubuntu:24.04:LTS	freerdp3	3.32.0+dfsg-0ubuntu0.24.04.1	UBUNTU-CVE-2026-109250
Ubuntu:26.04:LTS	freerdp3	3.32.0+dfsg-0ubuntu0.26.04.1	UBUNTU-CVE-2026-109250

Affected products (as reported)

Vendor	Product	Versions
FreeRDP	FreeRDP	3.0.0 – before 3.32.0

Weakness: CWE-129 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

GitHub Security Advisory (GHSA-jhv5-m83m-hxhq) vendor-advisory
VulnCheck Advisory: FreeRDP 3.0.0 before 3.32.0 Heap Buffer Overflow via PKCS#11 collect_keys() third-party-advisory