CVE-2023-42799

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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
GitHub_MCNA
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
moonlight-streammoonlight-common-c
2022-11-04 ≤
𝑥
< 2023-10-06
moonlight-streammoonlight
8.4.0 ≤
𝑥
≤ 8.5.0
moonlight-streammoonlight
0.10.22
moonlight-streammoonlight_embedded
2.6.0
moonlight-streammoonlight_xbox
1.12.0 ≤
𝑥
≤ 1.14.40
moonlight-streammoonlight_tv
1.5.4 ≤
𝑥
≤ 1.5.27
moonlight-streammoonlight_switch
0.13 ≤
𝑥
≤ 0.13.3
moonlight-streammoonlight_vita
0.9.2 ≤
𝑥
≤ 0.9.3
𝑥
= Vulnerable software versions