CVE Database›CVE-2022-39317

CVE-2022-39317

freerdp: undefined behaviour in zgfx decoder

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Severity

Low

Red Hat Product Security

3.7

CVSS 3.1

Review impact separately from score.

Published · November 16, 2022

Updated · November 22, 2025

Description

An out-of-bounds read vulnerability was discovered in FreeRDP due to missing a range check for input offset index in the ZGFX decoder. A malicious server can trick a FreeRDP based client to read out-of-bound data and try to decode it, resulting in a crash.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.7
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L

CWE-125 · Out-of-bounds Read