Improper Resource Shutdown

Apache HttpComponents Client is vulnerable to Improper Resource Shutdown. The vulnerability is due to the classic I/O model failing to release connections back to the connection manager when processing an invalid or unsupported Content-Encoding header value, potentially exhausting available...

Security Bulletin: IBM i is Affected By Holding Resources after Effective Lifetime Vulnerability in Electronic Service Agent [CVE-2026-64607]

Summary Electronic Service Agent for IBM i uses HttpClient for HTTP message handling. HttpClient is vulnerable to not releasing underlying resources when encountering an invalid or unsupported 'Content-Encoding' header value CVE-2026-64607 as described in the vulnerability details section...

Fortinet FortiWeb Content-Encoding WAF Evasion (FG-IR-26-157)

The version of FortiWeb installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-157 advisory. - A incomplete list of disallowed inputs vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.5,...

undici: undici: Denial of Service via unbounded decompression of compressed responses

A flaw was found in undici. The decompress interceptor in undici processes compressed response bodies based on the untrusted Content-Encoding header. A remote attacker can exploit this by sending a small, specially crafted compressed payload, known as a 'compression bomb,' which expands...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2026-64607

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

GHSA-HJCP-JMPX-G3QM Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS

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...

Missing Release of Resource after Effective Lifetime

Overview org.apache.httpcomponents.client5:httpclient5 is a HttpClient component of the Apache HttpComponents project. Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime via the ContentCompressionExec response decoding path in...

Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS

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...

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...

UBUNTU-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...

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...

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...

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...

CVE-2026-64607 Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS

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...

EUVD-2026-51519

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...

CVE-2026-64607 Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS

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...

CVE-2026-64607

The Apache HttpComponents Client (versions 5.0-alpha1 through 5.6.2) contains a resource leak vulnerability (CWE-772 ) where the HttpClient based on the classic i/o model fails to release underlying connections back to the connection manager when encountering invalid or unsupported Content-Encodi...

CVE-2026-64607 Apache HttpComponents Client: Connection Leak on Content-Encoding Decode Error Leads to Pool Exhaustion DoS

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...

PT-2026-66745

Name of the Vulnerable Software and Affected Versions Apache HttpComponents Client versions 5.0-alpha1 through 5.6.2 Description HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager when it encounters an invalid or unsupport...