CVE-2021-30481
High
Description
Valve Steam before 2021-04-17, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click.
SeverityHigh
CVSS8.0
Exploit probability—
ProductValvesoftware Steam Client
PublishedApr 10, 2021
First seenApr 10, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| valvesoftware steam_client | v ≤ 2021-04-10 | — |
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