Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.16 packages and security update

Red Hat OpenShift Container Platform release 4.22.16 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.22. Red Hat Product Security has rated this update as having a...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution

A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...

net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service

A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...

Important: Red Hat Security Advisory: Red Hat build of MicroShift 4.22.16 security update

Red Hat build of MicroShift release 4.22.16 is now available with updates to packages and images that include a security update. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution

A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.35 packages and security update

Red Hat OpenShift Container Platform release 4.21.35 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a...

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...

net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution

A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.35 security and extras update

Red Hat OpenShift Container Platform release 4.21.35 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a security impact of...

CLEANSTART-2026-CU60639 net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines

Security vulnerability affects the argo-workflows package. The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines...

CVE-2026-18746

parsewriteop in subsys/net/lib/lwm2m/lwm2mmessagehandling.c handles inbound CoAP WRITE/CREATE requests that carry a Block1 option. For the first block of a transfer it called initblockctx and then immediately stored the peer-selected block size with blockctx-ctx.blocksize = blocksize before...

PT-2026-102455

Missing authentication in the local .NET backend Fiddler.WebUi of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel...

ROS-20260929-73-0048

The vulnerability of the vti6tnllookup function in the net/ipv6/ip6vti.c module of the IPv6 protocol implementation in the Linux operating system is related to incorrect checking of the unsafe equivalence of input data. Exploiting this vulnerability could allow an attacker, acting remotely, to...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft CVE-2026-80844 In the Linux kernel, the following vulnerability has been resolved: net: tun: bound receive headroom CVE-2026-81000 Affected Packages: kernel6.18 Issu...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft CVE-2026-80844 In the Linux kernel, the following vulnerability has been resolved: net: tun: bound receive headroom CVE-2026-81000 Affected Packages: kernel Issue...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-3102)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3102 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft CVE-2026-80844 In the Linux kernel, the following vulnerability has been...

RHCOS 4 : OpenShift Container Platform 4.22.16 (RHSA-2026:71445)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:71445 advisory. - encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal CVE-2026-33818 - net/http: golang...

RHCOS 4 : Red Hat build of MicroShift 4.22.16 (RHSA-2026:71672)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:71672 advisory. - encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal CVE-2026-33818 - net/http: golang...

CVE-2026-86158: Missing Authentication for Critical Function

Missing authentication in the local .NET backend Fiddler.WebUi of Progress Software Fiddler Everywhere 8.0.2 allows a local unauthenticated attacker to mint OAuth tokens and read the machine-in-the-middle root certificate through an unauthenticated localhost HTTP and SignalR RPC channel...