CVE-2026-85718

A flaw was found in AsyncHttpClient. When configured with connection limits, the library can leak a connection permit if a Transport Layer Security TLS handshake fails before completion. This permit leak can lead to resource exhaustion, allowing a remote attacker to cause a denial of service by...

CVE-2026-85718

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 3.0.8 until 3.0.12, a client with maxConnections or maxConnectionsPerHost set above zero leaks one connection permit whenever TLS connection establishment fails...

CVE-2026-85718

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 3.0.8 until 3.0.12, a client with maxConnections or maxConnectionsPerHost set above zero leaks one connection permit whenever TLS connection establishment fails...

CVE-2026-85718 AsyncHttpClient: Connection permit leak on TLS handshake failure causes per-host denial of service

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 3.0.8 until 3.0.12, a client with maxConnections or maxConnectionsPerHost set above zero leaks one connection permit whenever TLS connection establishment fails...

CVE-2026-85718 AsyncHttpClient: Connection permit leak on TLS handshake failure causes per-host denial of service

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 3.0.8 until 3.0.12, a client with maxConnections or maxConnectionsPerHost set above zero leaks one connection permit whenever TLS connection establishment fails...

CVE-2026-85718 AsyncHttpClient: Connection permit leak on TLS handshake failure causes per-host denial of service

The AsyncHttpClient AHC library allows Java applications to easily execute HTTP requests and asynchronously process HTTP responses. From 3.0.8 until 3.0.12, a client with maxConnections or maxConnectionsPerHost set above zero leaks one connection permit whenever TLS connection establishment fails...

PT-2026-94394

Name of the Vulnerable Software and Affected Versions AsyncHttpClient versions 3.0.8 through 3.0.11 Description A connection permit leak occurs when TLS connection establishment fails before the handshake completes. This happens because the NettyConnectListener removes the partitionKeyLock permit...