CVE-2022-39317

Out of bounds read in zgfx decoder in FreeRDP

Published Nov 16, 2022 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-41801 FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP are missing a range check for input offset index in ZGFX decoder. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it. This issue has been addressed in version 2.9.0. There are no known workarounds for this issue.
Ubuntu USN Ubuntu USN USN-5734-1 FreeRDP vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 23, 2025, 4:37 PM
Reserved
Sep 2, 2022, 12:00 AM
Status
Modified
Published
Nov 16, 2022, 9:15 PM
Modified
Jun 17, 2026, 4:58 AM
Severity
Low
Public date
Nov 16, 2022, 12:00 AM