crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation

A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...

Security Bulletin: IBM i is Affected By Cryptographic Algorithm Weakness in DCM [CVE-2026-16693]

Summary IBM i is vulnerable to allowing an authenticated attacker to obtain sensitive information CVE-2026-16693 in Digital Certificate Manager DCM as described in the vulnerability details section. Vulnerability Details CVEID:CVE-2026-16693 DESCRIPTION: IBM i could allow a remote authenticated...

Amazon Linux 2023 : freerdp, freerdp-devel, freerdp-libs (ALAS2023-2026-2111)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2111 advisory. FreeRDP before 3.28.0 treats lines beginning with forward slash in RDP files as raw command-line options, exposing the entire CLI parser surface to untrusted files. Attackers can craft malicio...

RHEL 9 : runc (RHSA-2026:61907)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:61907 advisory. The runC tool is a lightweight, portable implementation of the Open Container Format OCF that provides container runtime. Security Fixes:...

TencentOS Server 4: rsync (TSSA-2026:0874)

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-2026:0874 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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 severity rating, is...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

Malicious code in selfsigned-certificate (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 26324f10054a4b02e6d50af8f5373115e113a01c37d636ed70df2be1dd1b6b92 index.js contains a hidden code path where calling the library's generateCertificates API with the value 10 triggers loadSampleCertificates, which...

MAL-2026-15623 Malicious code in selfsigned-certificate (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 26324f10054a4b02e6d50af8f5373115e113a01c37d636ed70df2be1dd1b6b92 index.js contains a hidden code path where calling the library's generateCertificates API with the value 10 triggers loadSampleCertificates, which...

CVE-2026-82662 Nodemailer before 8.0.8 TLS Certificate Validation Bypass

Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests. Attackers in a machine-in-the-middle position can capture OAuth client secrets, refresh tokens, and access tokens transmitt...

EUVD-2026-68440

Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests. Attackers in a machine-in-the-middle position can capture OAuth client secrets, refresh tokens, and access tokens transmitt...

CVE-2026-82662

Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js via rejectUnauthorized: false. This allows an attacker in a machine-in-the-middle position to intercept OAuth2 token requests over compromised HTTPS connections, capturing OAuth client secrets , refresh tokens , a...

CVE-2026-82662

Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests. Attackers in a machine-in-the-middle position can capture OAuth client secrets, refresh tokens, and access tokens transmitt...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

Important: Red Hat Security Advisory: rhc security update

An update for rhc is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. 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 severity rating, is available for ea...

CVE-2026-62243

A flaw was found in Netty io.netty:netty-handler. When using the SslProvider.OPENSSL client path with a plain X509TrustManager and without Unsafe-based trust-manager wrapping Java 25+, TLS hostname verification is disabled. This misconfiguration allows a man-in-the-middle attacker to present a...

Important: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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 severity rating, is...

libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process

A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...

Important: Red Hat Security Advisory: golang security update

An update for golang is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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 severity rating, is...

crypto/x509: Incorrect enforcement of email constraints in crypto/x509

A certificate validation flaw has been discovered in the golang crypto/x509 module. When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly...