[SECURITY] [DLA 4620-1] apache2 security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4620-1 [email protected] https://www.debian.org/lts/security/ Bastien Roucariès June 07, 2026 https://wiki.debian.org/LTS -...

CVE-2026-49975

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are th...

SUSE-SU-2026:2280-1 Security update for ignition

This update for ignition fixes the following issue - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1265751...

Suricata < 7.0.16 / 8.x < 8.0.5 Multiple Vulnerabilities

The version of OISF Suricata installed on the remote host is prior to 7.0.16 or 8.x prior to 8.0.5. It is, therefore, affected by multiple vulnerabilities, including: - A protocol change while processing HTTP/2 traffic could lead to type confusion in Suricata. Crafted traffic may cause Suricata t...

SUSE CVE-2026-50052

In Vinyl Cache before 9.0.1 and Varnish Cache before 9.0.3, a deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack request smuggling, which in turn can be used for cache poisoning, authentication bypass, or possibly even information disclosure and...

mod_http2: Apache HTTP Server: HTTP/2 DoS by Memory Increase

A flaw was found in Apache HTTP Server. This late release of memory after effective lifetime vulnerability allows a remote, unauthenticated attacker to cause a denial of service DoS. The vulnerability can lead to resource exhaustion, making the server unavailable to legitimate users...

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 backend request desync attacks, also known as request smuggling. This occurs when the frontend and backend...

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

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.content length header/1...

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: 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...

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...

Astra Linux - уязвимость в 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 - уязвимость в 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: 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...