crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries

A flaw was found in the crypto/x509 package of golang. This vulnerability allows a remote attacker to cause a Denial of Service DoS by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name SAN entries. The certificate verification process, specifical...

SUSE-SU-2026:3577-1 Security update for snpguest

This update for snpguest fixes the following issues: - CVE-2026-25541: bytes: integer overflow in 'BytesMut:reserve' can lead to undefined behavior and crashes bsc1274139. - CVE-2026-41678: openssl: incorrect bounds assertion in AES keywrap can lead to an out-of-bounds write bsc1270642. -...

Security update for snpguest

This update for snpguest fixes the following issues: CVE-2026-25541: bytes: integer overflow in 'BytesMut:reserve' can lead to undefined behavior and crashes bsc1274139. CVE-2026-41678: openssl: incorrect bounds assertion in AES keywrap can lead to an out-of-bounds write bsc1270642. CVE-2026-4232...

crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries

A flaw was found in the crypto/x509 package of golang. This vulnerability allows a remote attacker to cause a Denial of Service DoS by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name SAN entries. The certificate verification process, specifical...

golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate

A flaw was found in golang.org/x/crypto/ssh. SSH servers configured to use CertChecker as a public key callback, without explicitly setting IsUserAuthority or IsHostAuthority, are vulnerable. A remote attacker can exploit this by presenting a specially crafted certificate, causing the server to...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.22.9 packages and security update

Red Hat OpenShift Container Platform release 4.22.9 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...

CVE-2026-15554

the Undertow AJP listener honours forged sslcert and isssl AJP attributes without requiring any shared-secret authentication. This enables an unauthenticated attacker with direct TCP access to port 8009 to bypass CLIENT-CERT authentication by injecting a forged X.509 certificate via the AJP...

Security Bulletin: Vulnerability in gnutls affects IBM Netezza Appliance

Summary The gnutls package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2026-42012 Vulnerability Details CVEID:CVE-2026-42012 DESCRIPTION: A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially...

CVE-2026-66760

SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute...

EUVD-2026-55878

SAP Approuter does not correctly validate client certificates in certain callback flows. An attacker with low privileges, holding a certificate from the same trusted authority with matching subject values, could bypass the identity check. This complexity makes the attack difficult to execute...

CVE-2026-66760

Technical details about CVE-2026-66760 are not publicly available in the provided documents beyond what is described in the Initial Description; monitor for updates.

PT-2026-70910

An insufficient certificate validation in a privileged communication workflow, was identified in a GMS application 9.5.1 Build 9510.1044 and earlier versions which, under a successful MitM attack and controlled network conditions, could permit unauthorized changes...

PT-2026-70377

CAI Content Credentials is affected by an Improper Certificate Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this issue requires user interactio...

PT-2026-70038

Name of the Vulnerable Software and Affected Versions SAP Approuter affected versions not specified Description SAP Approuter fails to correctly validate client certificates during specific callback flows. An attacker with low privileges who possesses a certificate issued by the same trusted...

PT-2026-70917

Name of the Vulnerable Software and Affected Versions Apache HttpComponents Client versions 5.4 through 5.6.3 Description An issue exists where the HostnameVerificationPolicyBUILTIN setting is ignored when using the async version of HttpClient. This failure in TLS hostname verification allows an...

RHCOS 4 : OpenShift Container Platform 4.22.9 (RHSA-2026:51036)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:51036 advisory. - golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate CVE-2026-39835 -...

PT-2026-70558

Name of the Vulnerable Software and Affected Versions Active Directory Certificate Services affected versions not specified Description A use after free issue in Active Directory Certificate Services allows an authorized attacker to execute arbitrary code over a network, which can affect the...

PT-2026-70838

An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server to restrict authentication to other mechanisms. This could allow...

CVE-2026-72880

Dokploy is a free, self-hostable Platform as a Service PaaS. Prior to 0.29.13, the apiCreateCertificate schema in packages/server/src/db/schema/certificate.ts accepts a client-supplied certificatePath, and packages/server/src/services/certificate.ts joins that value to the certificate root withou...

CVE-2026-72880

Dokploy is affected by CVE-2026-72880. Before version 0.29.13, the apiCreateCertificate schema in packages/server/src/db/schema/certificate.ts accepts a client-supplied certificatePath, and certificate.ts joins that value to the certificate root without confinement. An authenticated user with cer...