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

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 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...

CVE-2026-64607: Missing Release of Resource after Effective Lifetime

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-2026-59899 Netty HttpContentEncoder: Unbounded Per-Connection Queue Growth via HTTP/1.1 Pipelining Leads to Denial of Service

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, HttpContentEncoder the superclass of the production handler HttpContentCompressor maintains a per-channel ArrayDeque named acceptEncodingQueue that accumulates attacker-controll...

GHSA-655F-MP8P-96GV Req vulnerable to unbounded archive/compression extraction triggered by response content-type

Summary Req's default response pipeline auto-decodes archive and compressed bodies based on the server-supplied content-type or URL extension and materialises the full decompressed contents in memory with no size cap. An attacker who controls or can redirect a victim into an HTTP endpoint reached...

EUVD-2026-35098

Req vulnerable to unbounded archive/compression extraction triggered by response content-type...

Req vulnerable to unbounded archive/compression extraction triggered by response content-type

Summary Req's default response pipeline auto-decodes archive and compressed bodies based on the server-supplied content-type or URL extension and materialises the full decompressed contents in memory with no size cap. An attacker who controls or can redirect a victim into an HTTP endpoint reached...

GHSA-Q4F6-JM68-57WW Netty: [HttpContentEncoder] Unbounded Per-Connection Queue Growth via HTTP/1.1 Pipelining Leads to Denial of Service

Impact HttpContentEncoder the superclass of the production handler HttpContentCompressor maintains a per-channel ArrayDeque named acceptEncodingQueue that accumulates attacker-controlled data without any size limit. The queue is filled on the I/O thread for every inbound HTTP request and drained...

PT-2026-63547

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description HttpContentEncoder the superclass of the production handler HttpContentCompressor maintains a per-channel ArrayDeque named acceptEncodingQueue that...

httpd: incomplete fix for CVE-2023-38709

A flaw was found in httpd. The response headers are not sanitized before an HTTP response is sent when a malicious backend can insert a Content-Type, Content-Encoding, or some other headers. These issues lead to HTTP response splitting. This CVE provides a "complete" fix for CVE-2023-38709...

Tesla has decompression bomb on response body

Summary Any Tesla client pipeline that includes Tesla.Middleware.DecompressResponse or Tesla.Middleware.Compression eagerly decompresses HTTP response bodies with no size limit. A server under attacker control or reached via a redirect can return a tiny gzip-encoded payload that expands into...

EUVD-2026-34015

Tesla has decompression bomb on response body...

GHSA-MC85-72GR-VM9F Tesla has decompression bomb on response body

Summary Any Tesla client pipeline that includes Tesla.Middleware.DecompressResponse or Tesla.Middleware.Compression eagerly decompresses HTTP response bodies with no size limit. A server under attacker control or reached via a redirect can return a tiny gzip-encoded payload that expands into...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview httplib2 is a small HTTP client library for Python. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification through the decompressContent function in httplib2/init.py. An attacker can exhaust memory and crash the client by sendin...

PYSEC-2026-3444

httplib2 is a comprehensive HTTP client library for Python. Prior to 0.32.0, httplib2 performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate in decompressContent in httplib2/init.py, allowing a malicious or compromised HTTP server to return a small...

PYSEC-2026-3444

httplib2 is a comprehensive HTTP client library for Python. Prior to 0.32.0, httplib2 performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate in decompressContent in httplib2/init.py, allowing a malicious or compromised HTTP server to return a small...

CVE-2026-59939

httplib2 is a comprehensive HTTP client library for Python. Prior to 0.32.0, httplib2 performs unbounded decompression of HTTP response bodies encoded with Content-Encoding: gzip or deflate in decompressContent in httplib2/init.py, allowing a malicious or compromised HTTP server to return a small...