SUSE CVE-2026-71554

h2 is a pure-Python implementation of a HTTP/2 protocol stack. Versions up to and including 4.4.0 accept request header blocks containing more than one Host header, and forward every Host header to the consuming application. Where the consumer downgrades HTTP/2 to HTTP/1.1, the resulting request...

CVE-2026-67318 axios 1.13.0 before 1.18.0 maxBodyLength Bypass via HTTP/2

axios versions =1.13.0 Node.js HTTP adapter fail to enforce the configured maxBodyLength limit on streamed request bodies when requests are sent with httpVersion: 2. Because Node's HTTP/2 request API does not honor the maxBodyLength option and axios's byte-counting stream wrapper is gated on...

GHSA-93WV-JW9V-4972 Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

Summary A remote, unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content decompression via DelegatingDecompressorFrameListener. When a DATA frame is processed for a stream whose decompressor has already been closed,...

macOS 15.x < 15.7.8 Multiple Vulnerabilities (128071)

The remote host is running a version of macOS / Mac OS X that is 15.x prior to 15.7.8. It is, therefore, affected by multiple vulnerabilities: - The issue was addressed with improved input sanitization. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to...

GHSA-WP74-JGXH-GV4Q Microsoft Security Advisory CVE-2026-50651 – .NET Denial of Service Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET HTTP client System.Net.Http. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A denial of service...

CVE-2026-15713

A vulnerability was found in libsoup's HTTP/2 protocol implementation. The library fails to correctly release memory context blocks under specific stream termination conditions, such as when an HTTP/2 connection encounters window exhaustion or explicit stream resets. A remote, unauthenticated...

GHSA-659F-RGP5-W4WF Skipper: opaAuthorizeRequestWithBody filter bypasses OPA policy on Transfer-Encoding — chunked / HTTP/2 requests

Summary zalando/skipper's OpenPolicyAgent integration silently bypasses request-body inspection on HTTP/1.1 Transfer-Encoding: chunked and HTTP/2 requests that omit the content-length pseudo-header. When the opaAuthorizeRequestWithBody filter is configured, the...

httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

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...

CVE-2026-10654 RFCOMM session-disconnect race leaks session/L2CAP and denies further RFCOMM service in Zephyr Bluetooth Classic

A race condition in the Zephyr Bluetooth Classic RFCOMM host stack subsys/bluetooth/host/classic/rfcomm.c mishandles a simultaneous bidirectional session disconnect. When the local device has initiated a session teardown state BTRFCOMMSTATEDISCONNECTING, DISC sent, RTX timer armed and the connect...

SUSE CVE-2026-53262

In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata directly without any locks or reference counting. If a controllable sleep was induced during copyfromuser e.g. via a userfaultfd pag...

OPENSUSE-SU-2026:21108-1 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...

[SECURITY] Fedora 44 Update: perl-Protocol-HTTP2-1.13-1.fc44

Protocol::HTTP2 is Perl HTTP/2 protocol implementation RFC 7540 with stateful decoders/encoders of HTTP/2 frames. You may use this module to implement your own HTTP/2 client/server/intermediate on top of your favorite event loop over plain or TLS socket...

CVE-2026-50560 Netty susceptible to HTTP/2 Reset Attack with different on-the-wire signature

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 header size handling produces an attack similar to HTTP/2 Rapid Reset. There is a setting in the http2 specification called...

httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

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...

CVE‑2026‑49975 – HTTP/2 Denial of Service Vulnerability

Status: EPMM unaffected Summary: CVE‑2026‑49975 is a denial‑of‑service DoS vulnerability affecting HTTP/2 implementations in several web servers. The issue allows an unauthenticated attacker to exhaust server memory using specially crafted HTTP/2 requests. EPMM / Sentry rely on Apache Tomcat for...

SUSE-SU-2026:21991-1 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...

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...

The vulnerability of SMB2 protocol discoverer, the Wireshark network traffic analyzer, allows a hacker to cause a service failure.

The vulnerability of SMB2 protocol analyzer in Wireshark is related to improper management of sequential memory allocation. Exploiting this vulnerability can allow attackers to cause service failures...

BIT-APACHE-2026-23918 Apache HTTP Server: http2: double free and possible RCE on early reset

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue...

SUSE CVE-2026-23918

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue...