CVE-2026-110834CWE-476

CVE-2026-110834

Medium · published October 15, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
16.0
In the wild
Unconfirmed
What it is

FreeRDP from 2.0.0 before 3.32.0 contains a null pointer dereference vulnerability that allows malicious RDP servers to crash clients by sending out-of-lifecycle serial IRPs. Attackers can send IRP_MJ_READ or IRP_MJ_WRITE before create or after close, causing CommReadFile or CommWriteFile to dereference a null handle and terminate clients using Linux serial redirection.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00254 · 16.0th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2026-10-15T03:17Z
Affected products (1)
ProductVersionsFixed in
freerdp/freerdp≥ 2.0.0, < 3.32.03.32.0
References (3)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pw4j-ff39-9vjm · [email protected]https://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.0-denial-of-service-via-serial-irp-null-handle · [email protected]https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pw4j-ff39-9vjm · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 14 OCT 22:52Z
    FreeRDP 2.0.0 before 3.32.0 Denial of Service via Serial IRP Null Handle
    cvelistv5
  • 14 OCT 22:52Z
    FreeRDP 2.0.0 before 3.32.0 Denial of Service via Serial IRP Null Handle
    cvelistv5