USN-8398-1: nginx vulnerability

It was discovered that nginx incorrectly handled certain cookie headers in the HTTP/2 implementation. A remote attacker could possibly use this issue to cause nginx to consume excessive resources, resulting in a denial of service...

USN-8398-1 nginx vulnerability

It was discovered that nginx incorrectly handled certain cookie headers in the HTTP/2 implementation. A remote attacker could possibly use this issue to cause nginx to consume excessive resources, resulting in a denial of service...

PT-2026-47594

It was discovered that nginx incorrectly handled certain cookie headers in the HTTP/2 implementation. A remote attacker could possibly use this issue to cause nginx to consume excessive resources, resulting in a denial of service...

PT-2026-47612

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.135.Final Netty versions prior to 4.2.15.Final Description In the network application framework, DefaultHttp2Connection.DefaultEndpoint initializes maxActiveStreams and maxStreams to Integer.MAX VALUE, while...

Important: amazon-ssm-agent

Issue Overview: When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0. CVE-2026-33814 Affected Packages: amazon-ssm-agent Issue Correction: Run dnf update amazon-ssm-agent --releasever...

Apache 2.4.x < 2.4.68 Multiple Vulnerabilities

The version of Apache httpd installed on the remote host is prior to 2.4.68. It is, therefore, affected by multiple vulnerabilities as referenced in the 2.4.68 advisory. - CVE-2026-49975, also known as HTTP/2 Bomb, is a remote denial-of-service exploit against most major web servers, including:...

Important: ecs-init

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...

Amazon Linux 2023 : ecs-init (ALAS2023-2026-1771)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1771 advisory. 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...

Debian dla-4620 : apache2 - security update

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4620 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4620-1 [email protected] https://www.debian.org/lts/security/...

[SECURITY] [DSA 6323-1] apache2 security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6323-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso June 06, 2026 https://www.debian.org/security/faq -...

CVE-2026-10725

Protocol::HTTP2 versions through 1.12 for Perl is vulnerable to a HTTP/2 Bomb. Protocol::HTTP2's inbound HPACK path has no header-list size limit, so a small HTTP/2 request can expand into large server memory the "HTTP/2 bomb". The headersdecode method materialises a full key+value copy per index...

CVE-2026-10725

Protocol::HTTP2 for Perl (versions up to 1.12) is vulnerable to an HTTP/2 Bomb. The inbound HPACK path lacks a header-list size limit; headers_decode materialises a full key+value copy per indexed reference with no running size check, and stream_header_block_add appends every CONTINUATION frame u...

CVE-2026-10725 Protocol::HTTP2 versions before 1.13 for Perl is vulnerable to a HTTP/2 Bomb

Protocol::HTTP2 versions before 1.13 for Perl is vulnerable to a HTTP/2 Bomb. Protocol::HTTP2's inbound HPACK path has no header-list size limit, so a small HTTP/2 request can expand into large server memory the "HTTP/2 bomb". The headersdecode method materialises a full key+value copy per indexe...

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-2026-41227

On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel TMM process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

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...

CVE-2026-41293

Apache Tomcat did not validate HTTP/2 request headers, triggering unexpected application behavior, as applications may presume that header values exposed through the Servlet API would be valid...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Apache HTTP Server vulnerability (USN-8384-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8384-1 advisory. It was discovered that Apache HTTP Server incorrectly handled certain cookie headers in the HTTP/2 implementation. A remote attack...

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame

A flaw was found in the HTTP/2 protocol implementation within the Go standard library golang.org/x/net and net/http/internal/http2. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGSMAXFRAMESIZE parameter set to zero. This...