curl: SSL options ISSUERCERT, EC_CURVES and CRLFILE silently ignored by non-OpenSSL backends

Summary: The SSL options ISSUERCERT, ECCURVES and CRLFILE are silently ignored for e.g. the mbedTLS backend, which allows MITM attacks for the ISSUERCERT and CRLFILE bug, and can reduce the security and compliance by ignoring the specified curve for the ECCURVES bug. Affected version Tested with...

Shaping a Quantum-Resistant Future: Strategies for Post-Quantum PKI

As the quantum computing era approaches, securing classical cryptographic protocols becomes imperative. Public key cryptography is widely used for signature and key exchange but it is the type of cryptography more threatened by quantum computing. Its application typically requires support via a...

MiracleLinux 4 : ipa-3.0.0-50.2.0.1.AXS4 (AXSA:2016-660:02)

The remote MiracleLinux 4 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2016-660:02 advisory. Security Fix - FreeIPA certrevoke revoke certificate retrieve certificate CVE-2016-5404 CVEJVNhttp://jvndb.jvn.jp/ Tenable has extracted the preceding...

PT-2026-20317

Name of the Vulnerable Software and Affected Versions Apache Tomcat Native versions 1.3.0 through 1.3.4 Apache Tomcat Native versions 2.0.0 through 2.0.11 Apache Tomcat versions 11.0.0-M1 through 11.0.17 Apache Tomcat versions 10.1.0-M7 through 10.1.51 Apache Tomcat versions 9.0.83 through 9.0.11...

SUSE CVE-2025-66406

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0...

CVE-2025-66406

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0...

GO-2025-4181 step-ca Has Improper Authorization Check for SSH Certificate Revocation in github.com/smallstep/certificates

step-ca Has Improper Authorization Check for SSH Certificate Revocation in github.com/smallstep/certificates...

CVE-2025-66406

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0...

CVE-2025-66406 Improper Authorization Check for SSH Certificate Revocation

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0...

EUVD-2025-201014

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0...

CVE-2025-66406

CVE-2025-66406 affects Step CA (github.com/smallstep/certificates). Before version 0.29.0, there is an improper authorization check for SSH certificate revocation, impacting deployments configured with the SSHPOP provisioner. The root cause is inadequate authorization on revocation requests; the ...

CVE-2025-66406 Improper Authorization Check for SSH Certificate Revocation

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0...

CVE-2025-66406

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0...

CVE-2025-66406 Improper Authorization Check for SSH Certificate Revocation

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Prior to 0.29.0, there is an improper authorization check for SSH certificate revocation. This affects deployments configured with the SSHPOP provisioner. This vulnerability is fixed in 0.29.0...

GHSA-J7C9-79X7-8HPR step-ca Has Improper Authorization Check for SSH Certificate Revocation

Summary An authorized attacker can bypass authorization checks and revoke any SSH certificate issued by Step CA by using a valid revocation token. Details Step CA users can obtain SSH certificates from a few provisioners. The SSHPOP provisioner allows revocation of the SSH certificate preventing...

Smallstep step-ca 安全漏洞

Smallstep step-ca is an online certificate authority for secure, automated certificate management for DevOps from Smallstep USA. A security vulnerability exists in Smallstep step-ca versions prior to 0.29.0 that stems from improper SSH certificate revocation authorization checking, which could le...

JLSEC-2025-208 An issue was discovered in Arm Mbed TLS before 2.24.0

An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock...

JLSEC-2025-209 An issue was discovered in Arm Mbed TLS before 2.24.0

An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtlsx509crlparseder has a buffer over-read of one byte...

Siemens SIMATIC S7-1500 Improper Certificate Validation (CVE-2020-8286)

The libcurl library versions 7.41.0 to and including 7.73.0 are vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response. This vulnerability could allow an attacker to pass a revoked certificate as valid. This plugin only works with...

ROS-20251022-03

ProFTPD FTP server vulnerability is related to a null pointer dereferencing error in the function tlsverifycrl in ProFTPD when processing data returned by OpenSSL function skX509REVOKEDvalue when detecting an empty certificate revocation list set by the system administrator. Exploitation of the...