CVE-2026-27145

x509.Certificate.VerifyHostname previously called matchHostnames in a loop over all DNS Subject Alternative Name SAN entries. This caused strings.Splithost, "." to execute repeatedly on the same input hostname. With a large DNS SAN list, verification costs scaled quadratically based on the number...

Malicious code in @shadanai/openclaw (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector c0e2f02ab1bb3d99de1787ed7d69f1df97bd3b2d7c18cc8ba4e5f8688f649ce9 On npm install, scripts/postinstall.mjs performs several installer-harm actions. 1 Backdoor: writes /.openclaw/openclaw.json configuring a local...

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: I’m speaking at DemocracyXChange 2026 in Toronto, Ontario, Canada, on April 18, 2026. I’m speaking at the SANS AI Cybersecurity Summit 2026 in Arlington, Virginia, USA, at 9:40 AM ET on April 20, 2026. I'm speaking at the Greater...

CLEANSTART-2026-IM73098 excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate

Multiple security vulnerabilities affect the istio-pilot-discovery package. An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. See references for individual vulnerability details...

CLEANSTART-2026-TF52804 excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate

Multiple security vulnerabilities affect the istio-pilot-discovery-fips package. An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. See references for individual vulnerability details...

Medium: runfinch-finch

Issue Overview: SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read. CVE-2025-47914 SSH servers parsing GSSAPI authentication requests do not validate the number...

Medium: cni-plugins

Issue Overview: crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not...

Medium: nerdctl

Issue Overview: crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not...

Amazon Linux 2 : runc, --advisory ALAS2DOCKER-2025-088 (ALASDOCKER-2025-088)

The version of runc installed on the remote host is prior to 1.3.4-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DOCKER-2025-088 advisory. crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a...

Amazon Linux 2 : runc, --advisory ALAS2NITRO-ENCLAVES-2025-081 (ALASNITRO-ENCLAVES-2025-081)

The version of runc installed on the remote host is prior to 1.3.4-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2NITRO-ENCLAVES-2025-081 advisory. crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a...

Medium: oci-add-hooks

Issue Overview: crypto/x509: excluded subdomain constraint does not restrict wildcard SANs An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes the subdomain test.example.com does not...

OESA-2025-2867 golang security update

. Security Fixes: crypto/x509: Exclude subdomain constraints do not restrict wildcard SANs Exclude subdomain constraints in certificate chains do not restrict the use of wildcard SANs in leaf certificates. For example, excluding the constraint on the subdomain test.example.com does not prevent th...

TencentOS Server 4: golang (TSSA-2025:0958)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0958 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

GO-2025-4224 OpenTofu incorrectly validates excluded subdomain constraint in conjunction with TLS certificates containing wildcard SANs in github.com/opentofu/opentofu

OpenTofu incorrectly validates excluded subdomain constraint in conjunction with TLS certificates containing wildcard SANs in github.com/opentofu/opentofu...

EUVD-2021-26791

Malware in sbrugna...

WordPress GiveWP – Donation Plugin and Fundraising Platform plugin <= 3.22.1 - Authenticated (Subscriber+) Sensitive Information Exposure vulnerability

Authenticated Subscriber+ Sensitive Information Exposure vulnerability discovered by Brian Sans-Souci liardom in WordPress Plugin GiveWP versions = 3.22.1...

WordPress Meteor Slides plugin <= 1.5.7 - Authenticated (Contributor+) Stored Cross-Site Scripting vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting vulnerability discovered by Brian Sans-Souci liardom in WordPress Plugin Meteor Slides versions = 1.5.7...

Microsoft Patch Tuesday, November 2024 Edition

Microsoft today released updates to plug at least 89 security holes in its Windows operating systems and other software. November's patch batch includes fixes for two zero-day vulnerabilities that are already being exploited by attackers, as well as two other flaws that were publicly disclosed...

WordPress Material Design Icons plugin <= 0.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via mdi-icon Shortcode vulnerability

Authenticated Contributor+ Stored Cross-Site Scripting via mdi-icon Shortcode vulnerability discovered by Brian Sans-Souci liardom in WordPress Plugin Material Design Icons versions = 0.0.5...

Unlock the Future of Cybersecurity: Exclusive, Next Era AI Insights and Cutting-Edge Training at SANS Network Security 2024

The Immersive Experience Happening This September in Las Vegas! In an era of relentless cybersecurity threats and rapid technological advancement, staying ahead of the curve is not just a necessity, but critical. SANS Institute, the premier global authority in cybersecurity training, is thrilled ...