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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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Undertow HTTP server core doesn't properly validate the Host header in incoming HTTP requests Critical
CVE-2025-12543 was published for io.undertow:undertow-core (Maven) Jan 7, 2026
aldexis Credited to aldexis and dpogorelov dpogorelov dpogorelov
Undertow OutOfMemory when parsing form data encoding with application/x-www-form-urlencoded High
CVE-2024-3884 was published for io.undertow:undertow-core (Maven) Dec 3, 2025
aldexis Credited to aldexis and za-rudeboy za-rudeboy za-rudeboy
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