PT-2025-36633

Impact When establishing a TLS session using fs2-io on the JVM using the fs2.io.net.tls package, if one side of the connection shuts down write while the peer side is awaiting more data to progress the TLS handshake, the peer side will spin loop on the socket read, fully utilizing a CPU. This CPU...

Unbounded connection acceptance in http4s-blaze-server

Impact blaze-core, a library underlying http4s-blaze-server, accepts connections unboundedly on its selector pool. This has the net effect of amplifying degradation in services that are unable to handle their current request load, since incoming connections are still accepted and added to an...

GHSA-XHV5-W9C5-2R2W Unbounded connection acceptance in http4s-blaze-server

Impact blaze-core, a library underlying http4s-blaze-server, accepts connections unboundedly on its selector pool. This has the net effect of amplifying degradation in services that are unable to handle their current request load, since incoming connections are still accepted and added to an...

Unbounded connection acceptance leads to file handle exhaustion

Impact All servers running blaze-core = 0.14.14, including blaze-http and http4s-blaze-server users, are affected. Blaze, accepts connections unconditionally on a dedicated thread pool. This has the net effect of amplifying degradation in services that are unable to handle their current request...

PT-2021-14396 · Unknown +2 · Blaze-Core +5

Name of the Vulnerable Software and Affected Versions: http4s versions prior to 0.21.17 http4s versions prior to 0.22.0-M2 http4s versions prior to 1.0.0-M14 Description: The issue is related to the blaze-core library, which accepts connections unboundedly on its selector pool. This can lead to a...