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Findings

Vulnerability · CVE-2026-111377

FreeRDP 2.0.0 before 3.32.0 Memory Exhaustion via Static Channel Reassembly

Published Oct 16, 2026 · corrected/updated Oct 16, 2026 · Red Hat Red Hat Enterprise Linux · evidence confidence high

FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhaust server memory.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2026-111377 is a high public vulnerability record for Red Hat Red Hat Enterprise Linux. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether Red Hat Red Hat Enterprise Linux is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: FreeRDP FreeRDP. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.1, EPSS 0.2%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-400, CWE-770. Sources contributing to this record: circl, cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 16, 2026 · CIRCL Vulnerability Lookup

    Detected

    FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhaust server memory.

  2. Oct 16, 2026 · NIST NVD

    Updated

    FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhaust server memory.

Affected

  • vendor FreeRDP FreeRDPversion unspecified

Sources

  • CIRCL Vulnerability LookupVulnerability recordCVE-2026-111377

    FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhau

    vulnerability.circl.lu
  • CVE.orgVulnerability recordCVE-2026-111377

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-111377

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-111377

    FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhau

    nvd.nist.gov
  • Red Hat Security DataVendor advisoryCVE-2026-111377

    freerdp: FreeRDP: Denial of Service via unbounded static channel reassembly

    access.redhat.com

References