CVE-2026-49753 HTTP response smuggling in Mint HTTP/1 client via lenient Content-Length parsing

Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in elixir-mint Mint allows attacker-controlled HTTP/1 servers to desynchronise response framing on shared connections. Mint's HTTP/1 Content-Length parser, Mint.HTTP1.Parse.contentlengthheader/1 in...

EEF-CVE-2026-49753 HTTP response smuggling in Mint HTTP/1 client via lenient Content-Length parsing

Summary Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in elixir-mint Mint allows attacker-controlled HTTP/1 servers to desynchronise response framing on shared connections. Mint's HTTP/1 Content-Length parser, Mint.HTTP1.Parse.contentlengthheader/1 i...

[SECURITY] Fedora 43 Update: perl-Starman-0.4018-1.fc43

Starman is a PSGI perl web server that has unique features such as high performance, preforking, use of signals and a small memory footprint. It is P SGI compatible and offers HTTP/1.1 support...

CVE-2026-5052 Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS

Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0,...

EUVD-2026-21738

Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a "workspace overflow" denial of service daemon panic for certain amounts of prefetched data. The setup of an HTTP/2 session starts with a speculative HTTP/1 transport, and upon upgrading to h2 the HTTP/1 request is...

CVE-2026-2835

An HTTP Request Smuggling vulnerability CWE-444 has been found in Pingora's parsing of HTTP/1.0 and Transfer-Encoding requests. The issue occurs due to improperly allowing HTTP/1.0 request bodies to be close-delimited and incorrect handling of multiple Transfer-Encoding values, allowing attackers...

GHSA-262P-VJX5-45XH Duplicate Advisory: HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-hj7x-879w-vrp7. This link is maintained to preserve external references. Original Description An HTTP Request Smuggling vulnerability CWE-444 has been found in Pingora's parsing of HTTP/1.0 and Transfer-Encoding...

CVE-2026-2835 HTTP Request Smuggling via HTTP/1.0 and Transfer-Encoding Misparsing

An HTTP Request Smuggling vulnerability CWE-444 has been found in Pingora's parsing of HTTP/1.0 and Transfer-Encoding requests. The issue occurs due to improperly allowing HTTP/1.0 request bodies to be close-delimited and incorrect handling of multiple Transfer-Encoding values, allowing attackers...

CVE-2026-2835

An HTTP Request Smuggling vulnerability CWE-444 has been found in Pingora's parsing of HTTP/1.0 and Transfer-Encoding requests. The issue occurs due to improperly allowing HTTP/1.0 request bodies to be close-delimited and incorrect handling of multiple Transfer-Encoding values, allowing attackers...

CVE-2026-22260 Suricata http1: infinite recursion in decompression

Suricata is a network IDS, IPS and NSM engine. Starting in version 8.0.0 and prior to version 8.0.3, Suricata can crash with a stack overflow. Version 8.0.3 patches the issue. As a workaround, use default values for request-body-limit and response-body-limit...

SUSE CVE-2024-53270

Envoy is a cloud-native high-performance edge/middle/service proxy. In affected versions sendOverloadError is going to assume the active request exists when envoy.loadshedpoints.http1serverabortdispatch is configured. If activerequest is nullptr, only onMessageBeginImpl is called. However, the...

jetty: Improper validation of HTTP/1 content-length

A flaw was found in Jetty that permits a plus sign + preceding the content-length value in a HTTP/1 header field, which is non-standard and more permissive than RFC. This issue could allow an attacker to request smuggling in conjunction with a server that does not close connections after 400...

swift-nio-http2 注入漏洞

swift-nio-http2 is a SwiftPM project that can be built and tested very easily. A security vulnerability exists in swift-nio-http2 versions prior to 2.41.2, which stems from the fact that projects generating HTTP responses from NIOHTTP1 may be vulnerable to HTTP response injection attacks. This...

tomcat: HTTP request smuggling when used with a reverse proxy

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer...

netty: Request smuggling via content-length header

A flaw was found in Netty. There is an issue where the content-length header is not validated correctly if the request uses a single Http2HeaderFrame with the endstream set to true. This flaw leads to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. The...

UBUNTU-CVE-2021-33037

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer...

netty: possible request smuggling in HTTP/2 due missing validation

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

Netty 环境问题漏洞

Netty is a non-blocking I/O client-server framework from the Netty community that is primarily used to develop Java web applications such as protocol servers and clients. Netty suffers from an environmental issue vulnerability that stems from requests being converted to HTTP 1.1 objects when pass...

PT-2020-6587

Name of the Vulnerable Software and Affected Versions: io.netty:netty-codec-http2 versions prior to 4.1.61.Final Description: The issue is related to a lack of proper validation of the content-length header in HTTP/2 requests. If a request only uses a single Http2HeaderFrame with the endStream se...

envoy: an untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1

An issue was discovered in Envoy 1.12.0. An untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1. This may be used to corrupt nearby heap contents leading to a query-of-death scenario or may be used to bypass Envoy's...