🛡️ CVE-2023-42799
🟠 CVSS 8.8 — High ⚠️ Exploit Public CWE-120 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Moonlight-common-c contains the core GameStream client code shared between Moonlight clients. Moonlight-common-c is vulnerable to buffer overflow starting in commit 50c0a51b10ecc5b3415ea78c21d96d679e2288f9 due to unmitigated usage of unsafe C functions and improper bounds checking. A malicious game streaming server could exploit a buffer overflow vulnerability to crash a moonlight client, or achieve remote code execution (RCE) on the client (with insufficient exploit mitigations or if mitigations can be bypassed). The bug was addressed in commit 02b7742f4d19631024bd766bd2bb76715780004e.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-120
Public Exploit ⚠️ Yes
Source NVD
Published 2023-12-14
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
moonlight — —
moonlight-common-c 2022-11-04 2023-10-06
moonlight-embedded — —
moonlight-switch 0.13 0.13.3
moonlight-tv 1.5.4 1.5.27
moonlight-vita 0.9.2 0.9.3
moonlight-xbox 1.12.0 1.14.40

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