Citrix Patches Six NetScaler Flaws Allowing File Read and Denial-of-Service

Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC formerly Citrix ADC and NetScaler Gateway formerly Citrix Gateway that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service DoS condition. The vulnerabilities are...

ALPINE-CVE-2026-48619

A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26...

libcurl 7.88.0 < 8.21.0 HTTP/2 Stream-Dependency Tree Use-After-Free

The version of libcurl installed on the remote host is 7.88.0 prior to 8.21.0. It is, therefore, affected by a use-after-free vulnerability: - A use-after-free vulnerability exists in libcurl when an application configures an HTTP/2 stream-dependency tree and subsequently invokes curleasyreset...

Astra Linux – Vulnerability in Jetty9

In the Eclipse Jetty HTTP/2 server implementation, when encountering an invalid HTTP/2 request, the error handling has a bug that may result in the active connections and associated resources not being properly cleaned up. This can lead to a Denial of Service scenario, where there are not enough...

Astra Linux – Vulnerability in golang-golang-x-net, golang-1.19

An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request’s headers exceed MaxHeaderBytes, no...

PT-2026-48916

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 Netty HTTP/2 max header size handling allows for an attack similar to HTTP/2 Rapid Reset. When a client sends the SETTINGS MAX HEADER LIST SIZE setting, the...

GHSA-5375-PQ7M-F5R2 @grpc/grpc-js: A malformed request can cause a server crash

Impact An invalid incoming HTTP/2 stream initiation can cause a server process to crash. This affects all servers created using @grpc/grpc-js. Patches The following version have fixes for this vulnerability: - 1.9.16 - 1.10.12 - 1.11.4 - 1.12.7 - 1.13.5 - 1.14.4 Workarounds There is no workaround...

USN-8417-1: Tomcat vulnerabilities

It was discovered that Tomcat did not properly limit the size of WebDAV LOCK and PROPFIND request bodies. A remote attacker could use this issue to cause Tomcat to consume excessive memory, resulting in a denial of service. CVE-2026-41284 It was discovered that Tomcat incorrectly validated HTTP/2...

Exploit for CVE-2026-42926

CVE-2026-42926 NGINX HTTP/2 Frame Injection Lab A controlled...

RHEL 10 : mod_http2 (RHSA-2026:22528)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:22528 advisory. 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...

Debian dsa-6323 : apache2 - security update

The remote Debian 12 / 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6323 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6323-1 [email protected] https://www.debian.org/security/...

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. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or...

RLSA-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...

openSUSE 16 Security Update : libsoup (openSUSE-SU-2026:20845-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:20845-1 advisory. This update for libsoup fixes the following issue - CVE-2026-4271: use-after-free in the HTTP/2 server when user signal handlers disconnect connections...

Security update for libsoup (important)

openSUSE security update: security update for libsoup ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20845-1 Rating: important References: bsc1259767 Cross-References: CVE-2026-4271 CVSS scores: CVE-2026-4271 SUSE : 8.6...

OPENSUSE-SU-2026:20845-1 Security update for libsoup

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

Amazon Linux 2023 : golang, golang-bin, golang-misc (ALAS2023-2026-1743)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1743 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...

Amazon Linux 2023 : runfinch-finch (ALAS2023-2026-1741)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1741 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...

Amazon Linux 2023 : amazon-ecr-credential-helper (ALAS2023-2026-1738)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1738 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...

Important: amazon-ecr-credential-helper

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...