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...

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: 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...

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-2026-59899 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...

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...

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...

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...

EUVD-2026-34015

Tesla has decompression bomb on response body...

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...

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...