CVE-2026-42055

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion to 2 or grpcpass directives are used to proxy HTTP/2 traffic, the ignoreinvalidheaders directive is set to off, and the...

Use-after-free in HTTP/3

Use-after-free in HTTP/3 Severity: major CVE-2026-42530 Not vulnerable: 1.31.2+ Vulnerable: 1.31.0-1.31.1...

nginx -- multiple vulnerabilities

The nginx developers report: A use-after-free vulnerability when using HTTP/3 and processing a specially crafted QUIC session may allow memory corruption or a segmentation fault in a worker process CVE-2026-42530. A heap memory buffer overflow vulnerability when using the "ignoreinvalidheaders...

SUSE SLES15 Security Update : tomcat11 (SUSE-SU-2026:2374-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2374-1 advisory. This update for tomcat11 fixes the following issues Update to Tomcat 11.0.22: - CVE-2026-41284: Unbounded read in WebDAV LOCK and...

CVE-2026-47244 Netty HTTP/2: Advertised MAX_CONCURRENT_STREAMS are not enforced

Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, DefaultHttp2Connection.DefaultEndpoint initialises maxActiveStreams/maxStreams to Integer.MAXVALUE, and Http2Settings never inserts...

Linux Distros Unpatched Vulnerability : CVE-2026-50560

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is a network application framework for development of protocol servers and clients. Prior to versions 4.1.135.Final and 4.2.15.Final, Netty HTTP/2 max...

PT-2026-48688

Name of the Vulnerable Software and Affected Versions netty-codec-http2 versions prior to 4.1.135.Final netty-codec-http2 versions prior to 4.2.15.Final Description The DelegatingDecompressorFrameListener class manages HTTP/2 decompression by using a per-stream EmbeddedChannel to run decompressio...

ALSA-2026:25225 Important: 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: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 For more details about the security issues, including the impact, a...

openSUSE 16 Security Update : elemental-toolkit (openSUSE-SU-2026:20921-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20921-1 advisory. This update for elemental-toolkit fixes the following issue - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of...

CVE-2026-49160

Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network...

SUSE-SU-2026:2348-1 Security update for google-cloud-sap-agent

This update for google-cloud-sap-agent fixes the following issue - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1265764. Changes for google-cloud-sap-agent: - Update to version 3.14 bsc1265991...

CVE-2026-47774

A denial-of-service vulnerability was found in Envoy's HTTP/2 HPACK header compression implementation. A remote attacker could send a specially crafted HTTP/2 request that triggers disproportionately large memory allocations on the server, leading to resource exhaustion and denial of service...

curl: Incomplete Suppression of Transfer-Encoding: chunked Header in HTTP/2 After Redirect From HTTP/1.1

When curl send a request with Transfer-Encoding: chunked using HTTP/1.1, and follows a redirect to an HTTP/2 endpoint, the uploadchunky flag is not properly reset. As a result, the Transfer-Encoding: chunked header is sent in the subsequent request even when HTTP/2 is negotiated/used. This violat...

CLEANSTART-2026-VG07087 In Eclipse Jetty, the HTTP/1

Multiple security vulnerabilities affect the apache-zookeeper package. In Eclipse Jetty, the HTTP/1. See references for individual vulnerability details...

ALSA-2026:25057 Important: 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: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 For more details about the security issues, including the impact, a...

USN-8398-2 nginx regression

USN-8398-1 fixed a vulnerability in nginx. The update introduced a regression causing nginx to crash when being used with external modules. This update reverts the fix for CVE-2026-49975 pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovere...

SUSE-SU-2026:2314-1 Security update for libsoup

This update for libsoup fixes the following issues - CVE-2026-1801: HTTP Request Smuggling in soupfilterinputstreamreadline bsc1257649. - CVE-2026-4271: use-after-free in the HTTP/2 server when user signal handlers disconnect connections during callback execution bsc1259767...

Allocation of Resources Without Limits or Throttling

Overview io.netty:netty-codec-http2 is a HTTP2 sub package for the netty library, an event-driven asynchronous network application framework. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the lack of enforcement of the advertised...

Gun 安全漏洞

Gun is an open-source Erlang HTTP client developed by Nine Nines, supporting HTTP/1.1, HTTP/2, and WebSocket. Versions of Gun from 1.0.0 to 2.4.0 contained security vulnerabilities. These vulnerabilities stemmed from uncontrolled resource consumption in the gunhttp module, which could allow...

[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 -...