PT-2026-45903

Name of the Vulnerable Software and Affected Versions Vinyl Cache versions prior to 9.0.1 Varnish Cache versions prior to 9.0.3 Description A deficiency in HTTP/2 request parsing allows for a backend request desync attack, also known as request smuggling. This issue can lead to cache poisoning,...

CVE-2026-48862

Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint Mint allows attacker-controlled HTTP/2 servers to exhaust memory in a Mint client via PUSHPROMISE flooding. In lib/mint/http2.ex, Mint.HTTP2.decodepushpromiseheadersandaddresponse/5 inserts a :reservedremote entry...

PT-2026-45786

Name of the Vulnerable Software and Affected Versions mint versions 0.1.0 through 1.8.x Description An inconsistent interpretation of HTTP requests, known as HTTP Request/Response Smuggling, allows attacker-controlled HTTP/1 servers to desynchronize response framing on shared connections. The iss...

ALSA-2026:22551 Moderate: mod_http2 security update

The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: httpd: Apache HTTP Server: HTTP/2 DoS by Memory Increase CVE-2025-53020 For more details about the security issues, including the impact, a CVSS score, acknowledgments, a...

Important: docker

Issue Overview: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

Important: containerd

Issue Overview: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

Important: containerd

Issue Overview: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

Important: docker

Issue Overview: When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash. CVE-2026-33811 When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

Astra Linux – Vulnerability in Jetty9

In Eclipse Jetty, versions =9.4.57, =10.0.25, =11.0.25, =12.0.21, and =12.1.0alpha2, an HTTP/2 client may trigger the server to send RSTSTREAM frames. This can happen by sending frames that are malformed or should not be sent under certain stream conditions, thereby forcing the server to consume...

Astra Linux – Vulnerability in Twisted

Twisted is an event-based framework for internet applications, compatible with Python 3.6+. Before version 22.4.0rc1, the Twisted Web HTTP 1.1 server, located in the twisted.web.http module, parsed several HTTP request constructs more leniently than allowed by RFC 7230. This non-conformant parsin...

DEBIAN-CVE-2026-42581

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length, but only for HTTP/1.1 messages. The guard is absen...

UBUNTU-CVE-2026-42581

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length, but only for HTTP/1.1 messages. The guard is absen...

CVE-2026-42581

Netty vulnerability CVE-2026-42581 affects Netty in HTTP handling. Before 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder does not clear a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length for HTTP/1.1; HTTP/1.0 requests lack this guard....

CVE-2026-42581 Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length, but only for HTTP/1.1 messages. The guard is absen...

CVE-2026-42581 Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length, but only for HTTP/1.1 messages. The guard is absen...

CVE-2026-42581

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, HttpObjectDecoder strips a conflicting Content-Length header when a request carries both Transfer-Encoding: chunked and Content-Length, but only for HTTP/1.1 messages. The guard is absen...

CVE-2026-42926

When NGINX Open Source is configured to proxy HTTP/2 traffic by setting proxyhttpversion to 2, and also uses proxysetbody, an attacker may be able to inject frame headers and payload bytes to the upstream peer. Note: Software versions which have reached End of Technical Support EoTS are not...

CVE-2026-39806 HTTP/1 chunked decoder infinite loop on requests with trailer fields in bandit

Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in mtrudel bandit allows unauthenticated remote denial of service via worker process exhaustion. 'Elixir.Bandit.HTTP1.Socket':doreadchunkeddata!/5 in lib/bandit/http1/socket.ex terminates only when the last-chunk line 0\r\n is...

CVE-2026-39806 HTTP/1 chunked decoder infinite loop on requests with trailer fields in bandit

Loop with Unreachable Exit Condition 'Infinite Loop' vulnerability in mtrudel bandit allows unauthenticated remote denial of service via worker process exhaustion. 'Elixir.Bandit.HTTP1.Socket':doreadchunkeddata!/5 in lib/bandit/http1/socket.ex terminates only when the last-chunk line 0\r\n is...

F5 NGINX Open Source 安全漏洞

F5 NGINX Open Source is a high-performance web server, reverse proxy server, load balancer, and API gateway provided by the F5 company. There is a security vulnerability in F5 NGINX Open Source, which stems from the use of proxysetbody when configuring HTTP/2 traffic. This vulnerability may lead ...