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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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17 advisories

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Undertow-core vulnerable to HTTP Request Smuggling Moderate
CVE-2017-2666 was published for io.undertow:undertow-core (Maven) Oct 19, 2018
HTTP Request Smuggling in Netty Moderate
CVE-2019-20445 was published for io.netty:netty (Maven) Feb 21, 2020
westonsteimel
Credited to westonsteimel
Potential HTTP request smuggling in Apache Tomcat Moderate
CVE-2020-1935 was published for org.apache.tomcat.embed:tomcat-embed-core (Maven) Feb 28, 2020
Potential HTTP request smuggling in Apache Tomcat Moderate
CVE-2019-17569 was published for org.apache.tomcat.embed:tomcat-embed-core (Maven) Feb 28, 2020
Possible request smuggling in HTTP/2 due missing validation Moderate
CVE-2021-21295 was published for io.netty:netty (Maven) Mar 9, 2021
artgon carl-mastrangelo
westonsteimel
Credited to artgon, carl-mastrangelo, and westonsteimel
Possible request smuggling in HTTP/2 due missing validation of content-length Moderate
CVE-2021-21409 was published for io.netty:netty (Maven) Mar 30, 2021
westonsteimel
Credited to westonsteimel
HTTP Request Smuggling in Undertow Moderate
CVE-2020-10719 was published for io.undertow:undertow-core (Maven) Apr 30, 2021
HTTP Request Smuggling in Undertow Moderate
CVE-2020-10687 was published for io.undertow:undertow-core (Maven) Apr 30, 2021
HTTP Request Smuggling in akka-http-core Moderate
CVE-2021-23339 was published for com.typesafe.akka:akka-http-core (Maven) May 10, 2021
oliverchang
Credited to oliverchang
HTTP request smuggling in Undertow Moderate
CVE-2021-20220 was published for io.undertow:undertow-core (Maven) Jun 16, 2021
HTTP Request Smuggling in Apache Tomcat Moderate
CVE-2021-33037 was published for org.apache.tomcat:tomcat (Maven) Aug 13, 2021
mrjonstrong sunSUNQ
Credited to mrjonstrong and sunSUNQ
HTTP request smuggling in netty Moderate
CVE-2021-43797 was published for io.netty:netty (Maven) Dec 9, 2021
purninavi westonsteimel
Credited to purninavi and westonsteimel
Undertow vulnerable to Request Smuggling Moderate
CVE-2017-7559 was published for io.undertow:undertow-core (Maven) May 13, 2022
HTTP Request Smuggling Leading to Client Timeouts in resteasy-netty4 Moderate
CVE-2024-9622 was published for org.jboss.resteasy:resteasy-netty4-cdi (Maven) Oct 8, 2024
Duplicate Advisory: Keycloak proxy header handling Denial-of-Service (DoS) vulnerability Moderate
GHSA-pcx7-8hxg-j823 was published for org.keycloak:keycloak-quarkus-server (Maven) Nov 25, 2024 • withdrawn
Keycloak proxy header handling Denial-of-Service (DoS) vulnerability Moderate
CVE-2024-9666 was published for org.keycloak:keycloak-quarkus-server (Maven) Nov 25, 2024
Http4s vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer section Moderate
CVE-2025-59822 was published for org.http4s:http4s-ember-core_2.12 (Maven) Sep 23, 2025
sebastianosrt samspills
rossabaker
Credited to sebastianosrt, samspills, and rossabaker
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