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CVE-2023-42800

nvd nist
Published: Dec 14, 2023Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

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 24750d4b748fefa03d09fcfd6d45056faca354e0.

Affected (10)

Moonlight Stream
7 products
Moonlight Common C
Moonlight
Moonlight Embedded
Moonlight Xbox
Moonlight Tv
Moonlight Switch
Moonlight Vita
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight Common C
From 2022-11-04 to 2023-10-06
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight
From 8.4.0 to 8.5.0
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight
From 8.4.0 to 8.5.0
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight
From 10.10 to 11.0
Configuration E
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight
Version 0.10.22
Configuration F
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight Embedded
Version 2.6.0
Configuration G
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight Xbox
From 1.12.0 to 1.14.40
Configuration H
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight Tv
From 1.5.4 to 1.5.27
Configuration I
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight Switch
From 0.13 to 0.13.3
Configuration J
1 vulnerable
Vulnerable SoftwareAffected Versions
Moonlight Vita
From 0.9.2 to 0.9.3

Related CWEs

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (8)

Source: security-advisories@github.com
Product
Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Product
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.