CVE-2018-10873

spice: Missing check in demarshal.py:write_validate_array_item() allows for buffer overflow and denial of service

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Severity

Important

Red Hat Product Security

8.3

CVSS 3.0

Review impact separately from score.

Published · August 16, 2018

Updated · June 30, 2026

Description

A vulnerability was discovered in SPICE where the generated code used for demarshalling messages lacked sufficient bounds checks. A malicious client or server, after authentication, could send specially crafted messages to its peer which would result in a crash or, potentially, other impacts.

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 3.0 · 8.3
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer