High severity8.0NVD Advisory· Published Apr 10, 2021· Updated Jun 17, 2026
CVE-2021-30481
CVE-2021-30481
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.
Affected products
2- Valve/Steamdescription
- Range: <2021-04-17
Patches
Vulnerability mechanics
References
4- twitter.com/the_secret_club/status/1380868759129296900nvdExploitThird Party Advisory
- www.youtube.com/watchnvdExploitThird Party Advisory
- news.ycombinator.com/itemnvdIssue TrackingThird Party Advisory
- twitter.com/floesen_/status/1337107178096881666nvdThird Party Advisory
News mentions
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