Security Bulletin: HttpClient based on the classic i/o model fails to correctly release the underlying connection

Summary HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the...

org.apache.httpcomponents.client5/httpclient5: Apache HttpComponents Client: Denial of Service due to connection leak

A flaw was found in Apache HttpComponents Client, specifically in its classic input/output I/O model. When processing a response message with an invalid or unsupported Content-Encoding header, the client fails to properly release the underlying network connection. This connection leak can lead to...

CVE-2026-64607

A flaw was found in Apache HttpComponents Client, specifically in its classic input/output I/O model. When processing a response message with an invalid or unsupported Content-Encoding header, the client fails to properly release the underlying network connection. This connection leak can lead to...

CVE-2026-64607

HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the async i/o...